Integer Powers of 2

Nonnegative Integer Powers of Two

2n Decimal American System Number Name 1 2 Sexdecimal Kibinal
20 1 one 0001 1
21 2 two 0002 2
22 4 four 0004 4
23 8 eight 0008 8
24 16 sixteen 0010 16
25 32 thirty-two 0020 32
26 64 sixty-four 0040 64
27 128 one hundred twenty-eight 0080 128
28 256 two hundred fifty-six 0100 256
29 512 five hundred twelve 0200 512
210 1,024 one thousand, twenty-four 0400 1 kibin
211 2,048 two thousand, forty-eight 0800 2 kibin
212 4,096 four thousand, ninety-six 1000 4 kibin
213 8,192 eight thousand, one hundred ninety-two 2000 8 kibin
214 16,384 sixteen thousand, three hundred eighty-four 4000 16 kibin
215 32,768 thirty-two thousand, seven hundred sixty-eight 8000 32 kibin
216 65,536 sixty-five thousand, five hundred thirty-six 0001 0000 64 kibin
217 131,072 one hundred thirty-one thousand, seventy-two 0002 0000 128 kibin
218 262,144 two hundred sixty-two thousand, one hundred forty-four 0004 0000 256 kibin
219 524,288 five hundred twenty-four thousand, two hundred eighty-eight 0008 0000 512 kibin
220 1,048,576 one million, forty-eight thousand, five hundred seventy-six 0010 0000 1 mebin
221 2,097,152 two million, ninety-seven thousand, one hundred fifty-two 0020 0000 2 mebin
222 4,194,304 four million, one hundred ninety-four thousand, three hundred four 0040 0000 4 mebin
223 8,388,608 eight million, three hundred eighty-eight thousand, six hundred eight 0080 0000 8 mebin
224 16,777,216 sixteen million, seven hundred seventy-seven thousand, two hundred sixteen 0100 0000 16 mebin
225 33,554,432 thirty-three million, five hundred fifty-four thousand, four hundred thirty-two 0200 0000 32 mebin
226 67,108,864 sixty-seven million, one hundred eight thousand, eight hundred sixty-four 0400 0000 64 mebin
227 134,217,728 one hundred thirty-four million, two hundred seventeen thousand, seven hundred twenty-eight 0800 0000 128 mebin
228 268,435,456 two hundred sixty-eight million, four hundred thirty-five thousand, four hundred fifty-six 1000 0000 256 mebin
229 536,870,912 five hundred thirty-six million, eight hundred seventy-thousand, nine hundred twelve 2000 0000 512 mebin
230 1,073,741,824 one billion, seventy-three million, seven hundred forty-one thousand, eight hundred twenty-four 4000 0000 1 gibin
231 2,147,483,648 two billion, one hundred forty-seven million, four hundred eighty-three thousand, six hundred forty-eight 8000 0000 2 gibin
232 4,294,967,296 four billion, two hundred ninety-four million, nine hundred sixty-seven thousand, two hundred ninety-six 0001 0000 0000 4 gibin
233 8,589,934,592 eight billion, five hundred eighty-nine million, nine hundred thirty-four thousand, five hundred ninety-two 0002 0000 0000 8 gibin
234 17,179,869,184 seventeen billion, one hundred seventy-nine million, eight hundred sixty-nine thousand, one hundred eighty-four 0004 0000 0000 16 gibin
235 34,359,738,368 thirty-four billion, three hundred fifty-nine million, seven hundred thirty-eight thousand, three hundred sixty-eight 0008 0000 0000 32 gibin
236 68,719,476,736 sixty-eight billion, seven hundred nineteen million, four hundred seventy-six thousand, seven hundred thirty-six 0010 0000 0000 64 gibin
237 137,438,953,472 one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred fifty-three thousand, four hundred seventy-two 0020 0000 0000 128 gibin
238 274,877,906,944 two hundred seventy-four billion, eight hundred seventy-seven million, nine hundred six thousand, nine hundred forty-four 0040 0000 0000 256 gibin
239 549,755,813,888 five hundred forty-nine billion, seven hundred fifty-five million, eight hundred thirteen thousand, eight hundred eighty-eight 0080 0000 0000 512 gibin
240 1,099,511,627,776 one trillion, ninety-nine billion, five hundred eleven million, six hundred twenty-seven thousand, seven hundred seventy-six 0100 0000 0000 1 tebin
241 2,199,023,255,552 two trillion, one hundred ninety-nine billion, twenty-three million, two hundred fifty-five thousand, five hundred fifty-two 0200 0000 0000 2 tebin
242 4,398,046,511,104 four trillion, three hundred ninety-eight billion, forty-six million, five hundred eleven thousand, one hundred four 0400 0000 0000 4 tebin
243 8,796,093,022,208 eight trillion, seven hundred ninety-six billion, ninety-three million, twenty-two thousand, two hundred eight 0800 0000 0000 8 tebin
244 17,592,186,044,416 seventeen trillion, five hundred ninety-two billion, one hundred eighty-six million, forty-four thousand, four hundred sixteen 1000 0000 0000 16 tebin
245 35,184,372,088,832 thirty-five trillion, one hundred eighty-four billion, three hundred seventy-two million, eighty-eight thousand, eight hundred thirty-two 2000 0000 0000 32 tebin
246 70,368,744,177,664 seventy-trillion, three hundred sixty-eight billion, seven hundred forty-four million, one hundred seventy-seven thousand, six hundred sixty-four 4000 0000 0000 64 tebin
247 140,737,488,355,328 one hundred forty-trillion, seven hundred thirty-seven billion, four hundred eighty-eight million, three hundred fifty-five thousand, three hundred twenty-eight 8000 0000 0000 128 tebin
248 281,474,976,710,656 two hundred eighty-one trillion, four hundred seventy-four billion, nine hundred seventy-six million, seven hundred ten thousand, six hundred fifty-six 0001 0000 0000 0000 256 tebin
249 562,949,953,421,312 five hundred sixty-two trillion, nine hundred forty-nine billion, nine hundred fifty-three million, four hundred twenty-one thousand, three hundred twelve 0002 0000 0000 0000 512 tebin
250 1,125,899,906,842,624 one quadrillion, one hundred twenty-five trillion, eight hundred ninety-nine billion, nine hundred six million, eight hundred forty-two thousand, six hundred twenty-four 0004 0000 0000 0000 1 pebin
251 2,251,799,813,685,248 two quadrillion, two hundred fifty-one trillion, seven hundred ninety-nine billion, eight hundred thirteen million, six hundred eighty-five thousand, two hundred forty-eight 0008 0000 0000 0000 2 pebin
252 4,503,599,627,370,496 four quadrillion, five hundred three trillion, five hundred ninety-nine billion, six hundred twenty-seven million, three hundred seventy-thousand, four hundred ninety-six 0010 0000 0000 0000 4 pebin
253 9,007,199,254,740,992 nine quadrillion, seven trillion, one hundred ninety-nine billion, two hundred fifty-four million, seven hundred forty-thousand, nine hundred ninety-two 0020 0000 0000 0000 8 pebin
254 18,014,398,509,481,984 eighteen quadrillion, fourteen trillion, three hundred ninety-eight billion, five hundred nine million, four hundred eighty-one thousand, nine hundred eighty-four 0040 0000 0000 0000 16 pebin
255 36,028,797,018,963,968 thirty-six quadrillion, twenty-eight trillion, seven hundred ninety-seven billion, eighteen million, nine hundred sixty-three thousand, nine hundred sixty-eight 0080 0000 0000 0000 32 pebin
256 72,057,594,037,927,936 seventy-two quadrillion, fifty-seven trillion, five hundred ninety-four billion, thirty-seven million, nine hundred twenty-seven thousand, nine hundred thirty-six 0100 0000 0000 0000 64 pebin
257 144,115,188,075,855,872 one hundred forty-four quadrillion, one hundred fifteen trillion, one hundred eighty-eight billion, seventy-five million, eight hundred fifty-five thousand, eight hundred seventy-two 0200 0000 0000 0000 128 pebin
258 288,230,376,151,711,744 two hundred eighty-eight quadrillion, two hundred thirty-trillion, three hundred seventy-six billion, one hundred fifty-one million, seven hundred eleven thousand, seven hundred forty-four 0400 0000 0000 0000 256 pebin
259 576,460,752,303,423,488 five hundred seventy-six quadrillion, four hundred sixty-trillion, seven hundred fifty-two billion, three hundred three million, four hundred twenty-three thousand, four hundred eighty-eight 0800 0000 0000 0000 512 pebin
260 1,152,921,504,606,846,976 one quintillion, one hundred fifty-two quadrillion, nine hundred twenty-one trillion, five hundred four billion, six hundred six million, eight hundred forty-six thousand, nine hundred seventy-six 1000 0000 0000 0000 1 exbin
261 2,305,843,009,213,693,952 two quintillion, three hundred five quadrillion, eight hundred forty-three trillion, nine billion, two hundred thirteen million, six hundred ninety-three thousand, nine hundred fifty-two 2000 0000 0000 0000 2 exbin
262 4,611,686,018,427,387,904 four quintillion, six hundred eleven quadrillion, six hundred eighty-six trillion, eighteen billion, four hundred twenty-seven million, three hundred eighty-seven thousand, nine hundred four 4000 0000 0000 0000 4 exbin
263 9,223,372,036,854,775,808 nine quintillion, two hundred twenty-three quadrillion, three hundred seventy-two trillion, thirty-six billion, eight hundred fifty-four million, seven hundred seventy-five thousand, eight hundred eight 8000 0000 0000 0000 8 exbin
264 18,446,744,073,709,551,616 eighteen quintillion, four hundred forty-six quadrillion, seven hundred forty-four trillion, seventy-three billion, seven hundred nine million, five hundred fifty-one thousand, six hundred sixteen 0001 0000 0000 0000 0000 16 exbin

Negative Integer Powers of Two

2n Decimal American System Number Name 1 2 Sexdecimal
2-1 0.500 one half 8000
2-2 0.250 one fourth (one quarter) 4000
2-3 0.125 one eighth 2000
2-4 0.062 500 one sixteenth 1000
2-5 0.031 250 one thirty-second 0800
2-6 0.015 625 one sixty-fourth 0400
2-7 0.007 812 500 one one-hundred-twenty-eighth 0200
2-8 0.003 906 250 one two-hundred-fifty-sixth 0100
2-9 0.001 953 125 one five-hundred-twelfth 0080
2-10 0.000 976 562 500 one one-thousand-twenty-fourth 0040
2-11 0.000 488 281 250 one two-thousand-forty-eighth 0020
2-12 0.000 244 140 625 one four-thousand-ninety-sixth 0010
2-13 0.000 122 070 312 500 one eight-thousand-one-hundred-ninety-second 0008
2-14 0.000 061 035 156 250 one sixteen-thousand-three-hundred-eighty-fourth 0004
2-15 0.000 030 517 578 125 one thirty-two-thousand-seven-hundred-sixty-eighth 0002
2-16 0.000 015 258 789 062 500 one sixty-five-thousand-five-hundred-thirty-sixth 0001
2-17 0.000 007 629 394 531 250 one one-hundred-thirty-one-thousand-seventy-second 0000 8000
2-18 0.000 003 814 697 265 625 one two-hundred-sixty-two-thousand-one-hundred-forty-fourth 0000 4000
2-19 0.000 001 907 348 632 812 500 one five-hundred-twenty-four-thousand-two-hundred-eighty-eighth 0000 2000
2-20 0.000 000 953 674 316 406 250 one one-million-forty-eight-thousand-five-hundred-seventy-sixth 0000 1000
2-21 0.000 000 476 837 158 203 125 one two-million-ninety-seven-thousand-one-hundred-fifty-second 0000 0800
2-22 0.000 000 238 418 579 101 562 500 one four-million-one-hundred-ninety-four-thousand-three-hundred-fourth 0000 0400
2-23 0.000 000 119 209 289 550 781 250 one eight-million-three-hundred-eighty-eight-thousand-six-hundred-eighth 0000 0200
2-24 0.000 000 059 604 644 775 390 625 one sixteen-million-seven-hundred-seventy-seven-thousand-two-hundred-sixteenth 0000 0100
2-25 0.000 000 029 802 322 387 695 312 500 one thirty-three-million-five-hundred-fifty-four-thousand-four-hundred-thirty-second 0000 0080
2-26 0.000 000 014 901 161 193 847 656 250 one sixty-seven-million-one-hundred-eight-thousand-eight-hundred-sixty-fourth 0000 0040
2-27 0.000 000 007 450 580 596 923 828 125 one one-hundred-thirty-four-million-two-hundred-seventeen-thousand-seven-hundred-twenty-eighth 0000 0020
2-28 0.000 000 003 725 290 298 461 914 062 500 one two-hundred-sixty-eight-million-four-hundred-thirty-five-thousand-four-hundred-fifty-sixth 0000 0010
2-29 0.000 000 001 862 645 149 230 957 031 250 one five-hundred-thirty-six-million-eight-hundred-seventy-thousand-nine-hundred-twelfth 0000 0008
2-30 0.000 000 000 931 322 574 615 478 515 625 one one-billion-seventy-three-million-seven-hundred-forty-one-thousand-eight-hundred-twenty-fourth 0000 0004
2-31 0.000 000 000 465 661 287 307 739 257 812 one two-billion-one-hundred-forty-seven-million-four-hundred-eighty-three-thousand-six-hundred-forty-eighth 0000 0002
2-32 0.000 000 000 232 830 643 653 869 628 906 one four-billion-two-hundred-ninety-four-million-nine-hundred-sixty-seven-thousand-two-hundred-ninety-sixth 0000 0001
2-33 0.000 000 000 116 415 321 826 934 814 453 one eight-billion-five-hundred-eighty-nine-million-nine-hundred-thirty-four-thousand-five-hundred-ninety-second 0000 0000 8000
2-34 0.000 000 000 058 207 660 913 467 407 227 one seventeen-billion-one-hundred-seventy-nine-million-eight-hundred-sixty-nine-thousand-one-hundred-eighty-fourth 0000 0000 4000
2-35 0.000 000 000 029 103 830 456 733 703 613 one thirty-four-billion-three-hundred-fifty-nine-million-seven-hundred-thirty-eight-thousand-three-hundred-sixty-eighth 0000 0000 2000
2-36 0.000 000 000 014 551 915 228 366 851 807 one sixty-eight-billion-seven-hundred-nineteen-million-four-hundred-seventy-six-thousand-seven-hundred-thirty-sixth 0000 0000 1000
2-37 0.000 000 000 007 275 957 614 183 425 903 one one-hundred-thirty-seven-billion-four-hundred-thirty-eight-million-nine-hundred-fifty-three-thousand-four-hundred-seventy-second 0000 0000 0800
2-38 0.000 000 000 003 637 978 807 091 712 952 one two-hundred-seventy-four-billion-eight-hundred-seventy-seven-million-nine-hundred-six-thousand-nine-hundred-forty-fourth 0000 0000 0400
2-39 0.000 000 000 001 818 989 403 545 856 476 one five-hundred-forty-nine-billion-seven-hundred-fifty-five-million-eight-hundred-thirteen-thousand-eight-hundred-eighty-eighth 0000 0000 0200
2-40 0.000 000 000 000 909 494 701 772 928 238 one one-trillion-ninety-nine-billion-five-hundred-eleven-million-six-hundred-twenty-seven-thousand-seven-hundred-seventy-sixth 0000 0000 0100
2-41 0.000 000 000 000 454 747 350 886 464 119 one two-trillion-one-hundred-ninety-nine-billion-twenty-three-million-two-hundred-fifty-five-thousand-five-hundred-fifty-second 0000 0000 0080
2-42 0.000 000 000 000 227 373 675 443 232 059 one four-trillion-three-hundred-ninety-eight-billion-forty-six-million-five-hundred-eleven-thousand-one-hundred-fourth 0000 0000 0040
2-43 0.000 000 000 000 113 686 837 721 616 030 one eight-trillion-seven-hundred-ninety-six-billion-ninety-three-million-twenty-two-thousand-two-hundred-eighth 0000 0000 0020
2-44 0.000 000 000 000 056 843 418 860 808 015 one seventeen-trillion-five-hundred-ninety-two-billion-one-hundred-eighty-six-million-forty-four-thousand-four-hundred-sixteenth 0000 0000 0010
2-45 0.000 000 000 000 028 421 709 430 404 007 one thirty-five-trillion-one-hundred-eighty-four-billion-three-hundred-seventy-two-million-eighty-eight-thousand-eight-hundred-thirty-second 0000 0000 0008
2-46 0.000 000 000 000 014 210 854 715 202 004 one seventy-trillion-three-hundred-sixty-eight-billion-seven-hundred-forty-four-million-one-hundred-seventy-seven-thousand-six-hundred-sixty-fourth 0000 0000 0004
2-47 0.000 000 000 000 007 105 427 357 601 002 one one-hundred-forty-trillion-seven-hundred-thirty-seven-billion-four-hundred-eighty-eight-million-three-hundred-fifty-five-thousand-three-hundred-twenty-eighth 0000 0000 0002
2-48 0.000 000 000 000 003 552 713 678 800 501 one two-hundred-eighty-one-trillion-four-hundred-seventy-four-billion-nine-hundred-seventy-six-million-seven-hundred-ten-thousand-six-hundred-fifty-sixth 0000 0000 0001
2-49 0.000 000 000 000 001 776 356 839 400 250 one five-hundred-sixty-two-trillion-nine-hundred-forty-nine-billion-nine-hundred-fifty-three-million-four-hundred-twenty-one-thousand-three-hundred-twelfth 0000 0000 0000 8000
2-50 0.000 000 000 000 000 888 178 419 700 125 one one-quadrillion-one-hundred-twenty-five-trillion-eight-hundred-ninety-nine-billion-nine-hundred-six-million-eight-hundred-forty-two-thousand-six-hundred-twenty-fourth 0000 0000 0000 4000
2-51 0.000 000 000 000 000 444 089 209 850 063 one two-quadrillion-two-hundred-fifty-one-trillion-seven-hundred-ninety-nine-billion-eight-hundred-thirteen-million-six-hundred-eighty-five-thousand-two-hundred-forty-eighth 0000 0000 0000 2000
2-52 0.000 000 000 000 000 222 044 604 925 031 one four-quadrillion-five-hundred-three-trillion-five-hundred-ninety-nine-billion-six-hundred-twenty-seven-million-three-hundred-seventy-thousand-four-hundred-ninety-sixth 0000 0000 0000 1000
2-53 0.000 000 000 000 000 111 022 302 462 516 one nine-quadrillion-seven-trillion-one-hundred-ninety-nine-billion-two-hundred-fifty-four-million-seven-hundred-forty-thousand-nine-hundred-ninety-second 0000 0000 0000 0800
2-54 0.000 000 000 000 000 055 511 151 231 258 one eighteen-quadrillion-fourteen-trillion-three-hundred-ninety-eight-billion-five-hundred-nine-million-four-hundred-eighty-one-thousand-nine-hundred-eighty-fourth 0000 0000 0000 0400
2-55 0.000 000 000 000 000 027 755 575 615 629 one thirty-six-quadrillion-twenty-eight-trillion-seven-hundred-ninety-seven-billion-eighteen-million-nine-hundred-sixty-three-thousand-nine-hundred-sixty-eighth 0000 0000 0000 0200
2-56 0.000 000 000 000 000 013 877 787 807 815 one seventy-two-quadrillion-fifty-seven-trillion-five-hundred-ninety-four-billion-thirty-seven-million-nine-hundred-twenty-seven-thousand-nine-hundred-thirty-sixth 0000 0000 0000 0100
2-57 0.000 000 000 000 000 006 938 893 903 907 one one-hundred-forty-four-quadrillion-one-hundred-fifteen-trillion-one-hundred-eighty-eight-billion-seventy-five-million-eight-hundred-fifty-five-thousand-eight-hundred-seventy-second 0000 0000 0000 0080
2-58 0.000 000 000 000 000 003 469 446 951 954 one two-hundred-eighty-eight-quadrillion-two-hundred-thirty-trillion-three-hundred-seventy-six-billion-one-hundred-fifty-one-million-seven-hundred-eleven-thousand-seven-hundred-forty-fourth 0000 0000 0000 0040
2-59 0.000 000 000 000 000 001 734 723 475 977 one five-hundred-seventy-six-quadrillion-four-hundred-sixty-trillion-seven-hundred-fifty-two-billion-three-hundred-three-million-four-hundred-twenty-three-thousand-four-hundred-eighty-eighth 0000 0000 0000 0020
2-60 0.000 000 000 000 000 000 867 361 737 988 one one-quintillion-one-hundred-fifty-two-quadrillion-nine-hundred-twenty-one-trillion-five-hundred-four-billion-six-hundred-six-million-eight-hundred-forty-six-thousand-nine-hundred-seventy-sixth 0000 0000 0000 0010
2-61 0.000 000 000 000 000 000 433 680 868 994 one two-quintillion-three-hundred-five-quadrillion-eight-hundred-forty-three-trillion-nine-billion-two-hundred-thirteen-million-six-hundred-ninety-three-thousand-nine-hundred-fifty-second 0000 0000 0000 0008
2-62 0.000 000 000 000 000 000 216 840 434 497 one four-quintillion-six-hundred-eleven-quadrillion-six-hundred-eighty-six-trillion-eighteen-billion-four-hundred-twenty-seven-million-three-hundred-eighty-seven-thousand-nine-hundred-fourth 0000 0000 0000 0004
2-63 0.000 000 000 000 000 000 108 420 217 249 one nine-quintillion-two-hundred-twenty-three-quadrillion-three-hundred-seventy-two-trillion-thirty-six-billion-eight-hundred-fifty-four-million-seven-hundred-seventy-five-thousand-eight-hundred-eighth 0000 0000 0000 0002
2-64 0.000 000 000 000 000 000 054 210 108 624 one eighteen-quintillion-four-hundred-forty-six-quadrillion-seven-hundred-forty-four-trillion-seventy-three-billion-seven-hundred-nine-million-five-hundred-fifty-one-thousand-six-hundred-sixteenth 0000 0000 0000 0001

Note 1:  To convert number names expressed in the American System to the Chuquet System, replace the words:

Note 2:  To convert number names expressed in the American System to the Modified Chuquet System, replace the words: