72547domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2n^2+18n+7, n>=0.at n=24A154592Total number of odd parts in the last section of the set of partitions of n.at n=41A206433Primes that are the first in a run of exactly 5 emirps.at n=7A346025Prime numbersat n=7175