13
This number is a prime.
Single Curio View: (Seek other curios for this number)
The 13th Mersenne prime is 2521 - 1 and the 13th Lucas number is 521. [Poo Sung]
Submitted: 2004-05-17 17:38:24; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean