130147795189
This number is a prime.
13 0147795189
The smallest 12-digit emirp that remains an emirp after rightmost digits are omitted two at a time. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
13 0147795189
The smallest 12-digit emirp that remains an emirp after rightmost digits are omitted two at a time. [Loungrides]