4357
This number is a prime.
Just showing those entries submitted by 'Bajpai': (Click here to show all)
The smallest Honaker prime that has triangular prime index. [Bajpai]
The smallest Honaker prime that can be expressed as the sum
of the squares of two distinct triangular numbers, i.e.,
(1^2 + 66^2). Curiously, 66 is a palindromic triangular
number having palindromic index. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell