13
This number is a prime.
Single Curio View: (Seek other curios for this number)
The smallest prime whose sum of digits is a square. [Gupta]
Submitted: 2002-02-12 04:52:23; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean