7643
This number is a prime.
The largest emirp containing all distinct digits n for
which n!-1 is a factorial prime. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The largest emirp containing all distinct digits n for
which n!-1 is a factorial prime. [Loungrides]