1824281domain: NPropertiesPrimalityPrimeyesAppears in sequencesPalindromic primes with middle digit 4.at n=22A082440Palindromic primes p such that if each digit d is replaced by 10-d then the resulting palindrome is also a prime.at n=34A088092Palindromic primes with prime subscripts.at n=31A280876Prime numbersat n=136751