1468986414689
This number is a prime.
146 8986414689
The smallest “Peak and Valley” prime using the positive non-prime digits only. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
146 8986414689
The smallest “Peak and Valley” prime using the positive non-prime digits only. [Loungrides]