463

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The smallest prime that is a sum of mountain primes, i.e., 463 = 131 + 151 + 181. [Loungrides]

+ The only distinct-digit 3-digit prime which remains a prime after a prime digit is subtracted from any of its digits or from all of its digits simultaneously, i.e., 263, 443, 461, 241. [Loungrides]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell