3333383domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that contain digits 3 and 8 only.at n=13A020464Smallest n-digit prime containing only the digits 3 and 8, or 0 if no such prime exists.at n=6A036943Primes p such that one digit appears exactly six times together with a single different digit.at n=15A257937Prime numbersat n=239121