2的n次方转化为二进制_八进制对照表

        Hello！又见面了！这次带来的是一篇实用型小技巧。在基础知识学到后期的时候你会遇到一些小问题，虽然无关痛痒，但是不是总像蚊子咬的包一样时不时让你难受一下呢？那么这篇文章将会为你的“进制包”消个肿。

2^1 = 2 2^2 = 4 2^3 = 8 2^4 = 16 2^5 = 32 2^6 = 64 2^7 = 128 2^8 = 256 2^9 = 512 2^10 = 1,024 1k 2^11 = 2,048 2k 2^12 = 4,096 4k 2^13 = 8,192 8k 2^14 = 16,384 16k 2^15 = 32,768 32k 2^16 = 65,536 64k 2^17 = 131,072 128k 2^18 = 262,144 256k 2^19 = 524,288 512k 2^20 = 1,048,576 1,00w 2^21 = 2,097,152 2,00w 2^22 = 4,194,304 4,00w 2^23 = 8,388,608 8,00w 2^24 = 16,777,216 16,00w 2^25 = 33,554,432 32,00w 2^26 = 67,108,864 64,00w 2^27 = 134,217,728 1.28y 2^28 = 268,435,456 2.56y 2^29 = 536,870,912 5.12y 2^30 = 1,073,741,824 10.24y 2^31 = 2,147,483,648 20.48y 2^32 = 4,294,967,296 40y 2^33 = 8,589,934,592 80y 2^34 = 17,179,869,184 160y 2^35 = 34,359,738,368 320y 2^36 = 68,719,476,736 640y 2^37 = 137,438,953,472 1280y 2^38 = 274,877,906,944 2560y 2^39 = 549,755,813,888 5120y 2^40 = 1,099,511,627,776 2^41 = 2,199,023,255,552 2^42 = 4,398,046,511,104 2^43 = 8,796,093,022,208 2^44 = 17,592,186,044,416 2^45 = 35,184,372,088,832 2^46 = 70,368,744,177,664 2^47 = 140,737,488,355,328 2^48 = 281,474,976,710,656 2^49 = 562,949,953,421,312 2^50 = 1,125,899,906,842,624 2^51 = 2,251,799,813,685,248 2^52 = 4,503,599,627,370,496 2^53 = 9,007,199,254,740,992 2^54 = 18,014,398,509,481,984 2^55 = 36,028,797,018,963,968 2^56 = 72,057,594,037,927,936 2^57 = 144,115,188,075,855,872 2^58 = 288,230,376,151,711,744 2^59 = 576,460,752,303,423,488 2^60 = 1,152,921,504,606,846,976 2^61 = 2,305,843,009,213,693,952 2^62 = 4,611,686,018,427,387,904 2^63 = 9,223,372,036,854,775,808 2^64 = 18,446,744,073,709,551,616

注：这里重点记忆2,4,8,16,32,64,128,256,512,1024即可，根据规律分别在1~10次方，11~20次方，21~30次方......51~60次方后加3颗“0”即可得到约数。