378
This number is a composite.
The 378th prime plus 378 is prime. [Opao]
The smallest number n which is not a cube but is equal to sum
of cubes of distinct prime factors of n. [Gupta]
378 is the sum of the squares of the first six prime squares plus one. [Saidaziz]
The sum of all supersingular primes. [Pizer]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell