411841domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes having only {1, 4, 8} as digits.at n=36A260270Primes p such that pi(p^2)*pi(q^2) is a square for some prime q < p, where pi(x) denotes the number of primes not exceeding x.at n=23A262700Prime numbersat n=34760