797681domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 4^n + 8^n + 9^n.at n=6A074570Prime numbers that are the sum of three distinct positive sixth powers.at n=6A126704Primes which are the sum of three nonzero 6th powers.at n=16A283017Prime numbersat n=63788