98689

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The first centered triangular number (i.e., of the form the form of (3n2 - 3n + 2)/2) that is a palindromic prime. [Trotter]

Submitted: 2002-04-14 17:06:23;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell