4547
This number is a prime.
The sum of the squares of three distinct primes
(3^2+7^2+67^2 = 4547) is prime. [Bajpai]
(There is one curio for this number that has not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell