355555553

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The only square-congruent prime-digit plateau-prime of order 3. [Loungrides]

Submitted: 2010-03-06 17:57:05;   Last Modified: 2014-08-30 15:16:45.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell