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