Powers of two appear frequently in calculation and in computer programming. Here is a list of the first few powers of two:
| 20 | = | 1 |
| 21 | = | 2 |
| 22 | = | 4 |
| 23 | = | 8 |
| 24 | = | 16 |
| 25 | = | 32 |
| 26 | = | 64 |
| 27 | = | 128 |
| 28 | = | 256 |
| 29 | = | 512 |
| 210 | = | 1,024 |
| 211 | = | 2,048 |
| 212 | = | 4,096 |
| 213 | = | 8,192 |
| 214 | = | 16,384 |
| 215 | = | 32,768 |
| 216 | = | 65,536 |
| 217 | = | 131,072 |
| 218 | = | 262,144 |
| 219 | = | 524,288 |
| 220 | = | 1,048,576 |
| 221 | = | 2,097,152 |
| 222 | = | 4,194,304 |
| 223 | = | 8,388,608 |
| 224 | = | 16,777,216 |
| 225 | = | 33,554,432 |
| 226 | = | 67,108,864 |
| 227 | = | 134,217,728 |
| 228 | = | 268,435,456 |
| 229 | = | 536,870,912 |
| 230 | = | 1,073,741,824 |
| 231 | = | 2,147,483,648 |
| 232 | = | 4,294,967,296 |
| 233 | = | 8,589,934,592 |
| 234 | = | 17,179,869,184 |
| 235 | = | 34,359,738,368 |
| 236 | = | 68,719,476,736 |
| 237 | = | 137,438,953,472 |
| 238 | = | 274,877,906,944 |
| 239 | = | 549,755,813,888 |
| 240 | = | 1,099,511,627,776 |
| 241 | = | 2,199023255552 |
| 242 | = | 4,398,046,511,104 |
| 243 | = | 8,796,093,022,208 |
| 244 | = | 17,592,186,044,416 |
| 245 | = | 35,184,372,088,832 |
| 246 | = | 70,368,744,177,664 |
| 247 | = | 140,737,488,355,328 |
| 248 | = | 281,474,976,710,656 |
| 249 | = | 562,949,953,421,312 |
| 250 | = | 1,125,899,906,842,624 |
| 251 | = | 2,251,799,813,685,248 |
| 252 | = | 4,503,599,627,370,496 |
| 253 | = | 9,007,199,254,740,992 |
| 254 | = | 18,014,398,509,481,984 |
| 255 | = | 36,028,797,018,963,968 |
| 256 | = | 72,057,594,037,927,936 |
| 257 | = | 144,115,188,075,855,872 |
| 258 | = | 288,230,376,151,711,744 |
| 259 | = | 576,460,752,303,423,488 |
| 260 | = | 1,152,921,504,606,846,976 |
| 261 | = | 2,305,843,009,213,693,952 |
| 262 | = | 4,611,686,018,427,387,904 |
| 263 | = | 9,223,372,036,854,775,808 |
| 264 | = | 18,446,744,073,709,551,616 |
| 265 | = | 36,893,488,147,419,103,232 |
| 266 | = | 73,786,976,294,838,206,464 |
| 267 | = | 147,573,952,589,676,412,928 |
| 268 | = | 295,147,905,179,352,825,856 |
| 269 | = | 590,295,810,358,705,651,712 |
| 270 | = | 1,180,591,620,717,411,303,424 |
| 271 | = | 2,361,183,241,434,822,606,848 |
| 272 | = | 4,722,366,482,869,645,213,696 |
| 273 | = | 9,444,732,965,739,290,427,392 |
| 274 | = | 18,889,465,931,478,580,854,784 |
| 275 | = | 37,778,931,862,957,161,709,568 |
| 276 | = | 75,557,863,725,914,323,419,136 |
| 277 | = | 151,115,727,451,828,646,838,272 |
| 278 | = | 302,231,454,903,657,293,676,544 |
| 279 | = | 604,462,909,807,314,587,353,088 |
| 280 | = | 1,208,925,819,614,629,174,706,176 |
| 281 | = | 2,417,851,639,229,258,349,412,352 |
| 282 | = | 4,835,703,278,458,516,698,824,704 |
| 283 | = | 9,671,406,556,917,033,397,649,408 |
| 284 | = | 19,342,813,113,834,066,795,298,816 |
| 285 | = | 38,685,626,227,668,133,590,597,632 |
| 286 | = | 77,371,252,455,336,267,181,195,264 |
| 287 | = | 154,742,504,910,672,534,362,390,528 |
| 288 | = | 309,485,009,821,345,068,724,781,056 |
| 289 | = | 618,970,019,642,690,137,449,562,112 |
| 290 | = | 1,237,940,039,285,380,274,899,124,224 |
| 291 | = | 2,475,880,078,570,760,549,798,248,448 |
| 292 | = | 4,951,760,157,141,521,099,596,496,896 |
| 293 | = | 9,903,520,314,283,042,199,192,993,792 |
| 294 | = | 19,807,040,628,566,084,398,385,987,584 |
| 295 | = | 39,614,081,257,132,168,796,771,975,168 |
| 296 | = | 79,228,162,514,264,337,593,543,950,336 |
| 297 | = | 158,456,325,028,528,675,187,087,900,672 |
| 298 | = | 316,912,650,057,057,350,374,175,801,344 |
| 299 | = | 633,825,300,114,114,700,748,351,602,688 |
| 2100 | = | 1,267,650,600,228,229,401,496,703,205,376 |