25058741domain: NPropertiesPrimalityPrimeyesAppears in sequencesGreatest prime factor of prime(n)^n - 1.at n=18A069460Primes of the form n^4 - n^3 + n^2 - n + 1.at n=17A259257Primes of the form (c^k+1)/(c+1) not having a representation in the form (b^q-1)/(b-1), where b, c > 1 and k, q > 2.at n=31A343774Prime numbersat n=1569374