1931
This number is a prime.
Single Curio View: (Seek other curios for this number)
The only prime concatenated from a pair of double-digit primes of form (n^2-6, n^2+6), where n is a prime. [Loungrides]
Submitted: 2013-12-27 09:11:46; Last Modified: 2016-08-28 02:37:53.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell