3333133domain: NPropertiesPrimalityPrimeyesAppears in sequencesTwin prime pairs using digits 1 and 3 only.at n=13A111070Primes p such that one digit appears exactly six times together with a single different digit.at n=10A257937Primes consisting of a single 1 and at least one copy of some other digit.at n=35A325934Prime numbersat n=239103