66656666173
This number is a prime.
6 6656666173
Single Curio View: (Seek other curios for this number)
The smallest left-truncatable prime that contains twice the
beast number. [Loungrides]
Submitted: 2018-11-19 06:37:32; Last Modified: 2018-11-19 12:27:51.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell