1108801domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime == 1 mod first n composite numbers.at n=14A075063Primes p such that p-1 has more divisors than any smaller prime-1.at n=31A103199Primes p such that p = 1 + 27720*k for some k.at n=13A217692Prime numbersat n=86370