5501
This number is a prime.
Single Curio View: (Seek other curios for this number)
The sum of the first five centered hexagonal numbers
squared, i.e., 1 + 49 + 361 + 1369 + 3721 = 5501. There are
no other primes of this form. [Petrov]
Submitted: 2019-05-18 10:55:16; Last Modified: 2019-05-18 15:05:37.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell