206749domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime which occurs exactly n times in the sequence A086527.at n=39A086528The first primes in centuries with three primes.at n=11A157131Numbers b > 1 such that the smallest five primes, i.e., 2, 3, 5, 7 and 11 are base-b Wieferich primes.at n=16A339534Prime numbersat n=18527