4

This number is a composite.

Single Curio View: (Seek other curios for this number)

1/2 + 1/3 + 1/5 + 1/7 + 1/11 + ... + 1/p exceeds 4 when p is 1801241230056600523. [Bach and Sorenson]

Submitted: 1999-09-02 23:40:00; Last Modified: 2008-01-30 17:28:00.