465841domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = largest prime factor of n^n - 1.at n=16A006486a(n) is the smallest prime p beginning with 2n such that the difference between p and the next prime is 2n.at n=22A162357Greatest prime factor of n^9+1.at n=17A240552Prime numbersat n=38905