1104097domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that the differences between the 5 consecutive primes starting with p are (4,6,6,6).at n=25A078957Numbers k such that sigma((k + 1) / 2) is a prime q.at n=29A292446Primes p such that sigma((p + 1) / 2) is a prime q.at n=16A292447Prime numbersat n=86008