2287661domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that A066272(p)*p+1 is also prime, where A066272 is the number of anti-divisors.at n=29A209271Primes p such that 2p-1 is a square and 2p+1 is also prime.at n=30A386995Prime numbersat n=168668