13

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The number of brilliant Harshad (or Niven) numbers in base 10. [Capelle]

Submitted: 2008-12-16 16:24:26;   Last Modified: 2008-12-18 00:13:30.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell