11111...11111 (1031-digits)

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The 5th prime repunit, R1031, has the 'Halloween prime' number of digits. [Green]

Submitted: 2009-11-10 21:18:58;   Last Modified: 2009-11-11 21:14:26.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell