213449domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^2 + 5.at n=23A056905Primes p such that p - 6 is a product of two consecutive primes.at n=34A098061Primes of the form p*(p+2)+6 where p and p+2 are primes.at n=5A108016Primes of the form (p*q+r*s)/2, where p,q,r,s are consecutive primes.at n=14A340307Prime numbersat n=19085