786983
This number is a prime.
The only emirp of form p+R(p)+1 where p is a prime, p < 1000, i.e., 839*938+1=786983. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The only emirp of form p+R(p)+1 where p is a prime, p < 1000, i.e., 839*938+1=786983. [Loungrides]