This number is a prime.
The smallest positive number for a^4 + b^4 - c^4, when a, b, and c are three consecutive primes (i.e., a=23, b=29, c=31). [Gaydos]
The smallest positive number for a^4 + b^4 - c^4, when a, b, and c are three consecutive primes (i.e., a=23, b=29, c=31). [Gaydos]