99999...99999 (2631-digits)

This number is a prime.

Single Curio View:   (Seek other curios for this number)
Written as 1315 9s, one 2, and 1315 9s, this 2631-digit number is both a palindrome and a "near-repdigit" prime. It was found to be prime by Harvey Dubner in 1989. [Dobb]

Submitted: 2002-04-13 19:19:03;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell