7444673domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 2^n + 6^n + 7^n.at n=8A074541Prime numbers that are the sum of three distinct positive eighth powers.at n=2A126658Primes which are the sum of three nonzero 8th powers.at n=6A283019Prime numbersat n=504800