238519domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 3n^3-2.at n=4A200847Power floor sequence of 2+sqrt(8).at n=7A218988Primes p with p-1, p+1, prime(p)-1 and prime(p)+1 all practical.at n=30A257924Primes that are the sum of some first primes minus one.at n=28A388261Prime numbersat n=21104