10589

This number is a prime.

+ The largest prime equal to the sum of two double-digit squares of a number and its reversal (58^2 + 85^2). Note that (58, 85) are both composite numbers. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell