1471
This number is a prime.
Single Curio View: (Seek other curios for this number)
Starting with 2 at the top, there should be a palindromic prime pyramid of step size four with height around 1471.
Submitted: 2023-09-15 17:01:54; Last Modified: 2024-08-01 12:49:05.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell