404449domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime number of the form n^x+(n+1)^(x+1) where x >= 0.at n=23A130537Primes with exactly four 4's.at n=1A178553Primes having only {0, 4, 9} as digits.at n=32A385768Prime numbersat n=34190