283411domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p where an integer r with 1 < r < p exists such that r^r == 1 (mod p^2).at n=4A259505Primes of the form n^3 + 2n^2 + 5n + 11.at n=26A271840Prime numbersat n=24710