7408868921
This number is a prime.
The smallest emirp formed by concatenating two consecutive
cubes (42^3 and 41^3). [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smallest emirp formed by concatenating two consecutive
cubes (42^3 and 41^3). [Loungrides]