638431domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 5 iterations of function f(x) = 2x + 9.at n=29A023334Primes of the form 7n^2 + 3.at n=23A201604Primes that are the sum of prime factors (with multiplicity) of a triprime which is the concatenation of three consecutive primes.at n=24A386228Prime numbersat n=51969