2的n次方對照表2的n次方對照表（0~100）2^0=12^1=22^2=42^3=82^4=162^5=322^6=642^7=1282^8=2562^9=5122^10=1,0242^11=2,0482^12=4,0962^13=8,1922^14=16,3842^15=32,7682^16=65,5362^17=131,0722^18=262,1442^19=524,2882^20=1,048,5762^21=2,097,1522^22=4,194,3042^23=8,388,6082^24=16,777,2162^25=33,554,4322^26=67,108,8642^27=134,217,7282^28=268,435,4562^29=536,870,9122^30=1,073,741,8242^31=2,147,483,6482^32=4,294,967,2962^33=8,589,934,5922^34=17,179,869,1842^35=34,359,738,3682^36=68,719,476,7362^37=137,438,953,4722^38=274,877,906,9442^39=549,755,813,8882^40=1,099,511,627,7762^41=2,199,023,255,5522^42=4,398,046,511,1042^43=8,796,093,022,2082^44=17,592,186,044,4162^45=35,184,372,088,8322^46=70,368,744,177,6642^47=140,737,488,355,3282^48=281,474,976,710,6562^49=562,949,953,421,3122^50=1,125,899,906,842,6242^51=2,251,799,813,685,2482^52=4,503,599,627,370,4962^53=9,007,199,254,740,9922^54=18,014,398,509,481,9842^55=36,028,797,018,963,9682^56=72,057,594,037,927,9362^57=144,115,188,075,855,8722^58=288,230,376,151,711,7442^59=576,460,752,303,423,4882^60=1,152,921,504,606,846,9762^61=2,305,843,009,213,693,9522^62=4,611,686,018,427,387,9042^63=9,223,372,036,854,775,8082^64=18,446,744,073,709,551,6162^65=36,893,488,147,419,103,2322^66=73,786,976,294,838,206,4642^67=147,573,952,589,676,412,9282^68=295,147,905,179,352,825,8562^69=590,295,810,358,705,651,7122^70=1,180,591,620,717,411,303,4242^71=2,361,183,241,434,822,606,8482^72=4,722,366,482,869,645,213,6962^73=9,444,732,965,739,290,427,3922^74=18,889,465,931,478,580,854,7842^75=37,778,931,862,957,161,709,5682^76=75,557,863,725,914,323,419,1362^77=151,115,727,451,828,646,838,2722^78=302,231,454,903,657,293,676,5442^79=604,462,909,807,314,587,353,0882^80=1,208,925,819,614,629,174,706,1762^81=2,417,851,639,229,258,349,412,3522^82=4,835,703,278,458,516,698,824,7042^83=9,671,406,556,917,033,397,649,4082^84=19,342,813,113,834,066,795,298,8162^85=38,685,626,227,668,133,590,597,6322^86=77,371,252,455,336,267,181,195,2642^87=154,742,504,910,672,534,362,390,5282^88=309,485,009,821,345,068,724,781,0562^89=618,970,019,642,690,137,449,562,1122^90=1,237,940,039,285,380,274,899,124,2242^91=2,475,880,078,570,760,549,798,248,4482^92=4,951,760,157,141,521,099,596,496,8962^93=9,903,520,314,283,042,199,192,993,7922^94=19,807,040,628,566,084,398,385,987,5842^95=39,614,081,257,132,168,796,771,975,1682^96=79,228,162,514,264,337,593,543,950,3362^97=158,456,325,028,528,675,187,087,900,6722^98=316,912,650,057,057,350,374,175,801,3442^99=633,825,300,114,114,700,748,351,602,6882^100=1,267,650,600,228,229,401,496,703,205,376總結(jié)：隨著n的不斷增加，2的n次方也不斷