459521domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that all digits of p^2 appear in p.at n=20A030083Primes such that p and p^2 have same set of digits.at n=9A030091Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 9.at n=23A136991Prime numbersat n=38431