4139

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The only prime derived from a double-digit composite number by inserting the sum of its digits in-between. [Loungrides]

Submitted: 2013-10-19 14:12:05;   Last Modified: 2017-12-06 19:45:57.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell