7983361domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form (5+k!)/5.at n=2A139059a(n) = (n!+5)/5.at n=6A139152a(n) = (prime(n)!+5)/5.at n=2A139163Greater twin prime member A006512 of the form k!/n + 1.at n=4A139188Prime numbersat n=538736