39193...19393 (67-digits)

This number is a prime.

3919393 9193939193 9391939391 9393919393 9193939193 9391939391 9393919393

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

A prime with prime digital length such that all substrings of length six are also prime. [Patterson]

Submitted: 2003-11-21 01:25:43; Last Modified: 2008-01-30 17:28:00.