This number is a prime.

+ The largest five-digit prime contains all square digits. [Bajpai]

+ All twin primes up to a million can be expressed as P = 2n^2 - Q, where P is the larger of any twin prime pair and Q is the larger of another twin prime pair. [Homewood]

+ The largest five-digit prime. [Afzal]

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