# Powers of Two

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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