常见e为底的自然对数值,自然对数e的两种定义

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1、π(圆周率)≈3.1415926535897932384626433832795028841971693993751058209

2、e(自然对数的底)≈2.7182818284590452353602874713526624977572470936999

3、γ(欧拉常数)≈0.57721566490153286060651209008240243104215933593992359

4、δ(菲根鲍姆常数)≈4.66920160910299067185320382046620161

5、α(菲根鲍姆常数)≈2.50290787509589282228390287321821578

6、Φ(黄金分割数)≈1.61803398874989484820458683436563811772030917980576286

7、i(虚数单位)=√-1

8、∞(无穷大)

9、K(卡特兰数)≈0.91596559417721901505460351493238411077414937

10、Khinchin(卡钦常数)≈2.685452001065306445309714835481795693820382293994462953

11、Glaisher≈1.282427129100622636875342568869791727767688927325001192

12、√2(毕达哥拉斯常数)≈1.414213562373095048801688724209698078569671875376948073176679

13、β*(Embree-Trefethen常数)≈0.70258

14、C2(孪生质数常数)≈ 0.66016181584686957392781211001455577

15、M1(Meissel-Mertens常数)≈0.26149721284764278375542683860869585

16、B2(布朗常数)≈1.9021605823

17、B4(布朗常数)≈0.8705883800

18、∧(德布鲁因-纽曼常数)>–2.7*10^-9

19、K(朗道-罗曼奴赞常数)≈0.76422365358922066

20、K(Viswanath常数)≈1.13198824

21、B'L(勒让德常数)≈1.08366

22、μ(Ramanujan-Soldner常数、Soldner常数)≈1.451369234883381050283968485892027

23、EB(埃尔德什-波温常数)≈1.606695152415291763

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