269

This number is a prime.

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

The smallest odd prime number formed from the initial digits in the decimal expansion of sum of alternating series of reciprocals of, i.e., 1/2 - 1/3 + 1/5 - 1/7 + 1/11 - 1/13 + ... . [Beedassy]

Submitted: 2009-11-10 13:44:55; Last Modified: 2025-03-29 12:38:01.