178697

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The smallest emirp that is the sum of a triangular number and its reversal (91378+87319=178697). It is also expressible as the sum of two squares (419^2+56^2). [Bajpai]

Submitted: 2016-07-26 19:43:49;   Last Modified: 2016-07-26 19:45:29.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell