79943domain: NPropertiesPrimalityPrimeyesAppears in sequencesSpecial safe primes (from A005385) such that the next prime is also a safe prime.at n=12A059394Primes p such that continued fraction of (1 + sqrt(p))/2 has period 12 : primes in A146336.at n=32A146357Safe primes p such that p + 24 is also a safe prime.at n=42A274381Prime numbersat n=7831