1110709domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p with g(p), g(g(p)), g(g(g(p))), g(g(g(g(p)))), g(g(g(g(g(p))))) all prime, where g(n) = prime(n) - n - 1.at n=2A236066Prime numbersat n=86500