9548491domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers m such that pi(m) = prime(d_1*d_2*...*d_k) where d_1 d_2 ... d_k is the decimal expansion of m.at n=16A107120Numbers m such that m=prime(prime(d_1*d_2*...*d_k)) where d_1 d_2 ... d_k is the decimal expansion of m.at n=2A107121Prime numbersat n=636613