1841141domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p+1, p+2, p+3, p+4 and p+5 have equal number of divisors.at n=21A119730Primes p such that p+1, p+2, p+3, p+4, p+5 and p+6 have equal number of divisors.at n=2A119740Prime numbersat n=137916