2147483647

9814072356

443372888629441 = 17·31·41·43·89·97·167·331 - mindste strong Fibonacci pseudoprime

, største kendte (sep. 2016) primtalstvilling.

Skewes' number

Graham's number

121213882349 =

128711132649 = (1287 + 1113 + 2649)^3

162324571375 = (1623 + 2457 + 1375)^3

171323771464 = (1713 + 2377 + 1464)^3

368910352448 = (3689 + 1035 + 2448)^3