1014469
This number is a prime.
An emirp formed from the concatenation of first five brilliant numbers, i.e., 10, 14, 4, 6, 9. Note that the sum of these brilliant numbers, is prime, i.e., 10+14+4+6+9 =43. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell