1805081domain: NPropertiesPrimalityPrimeyesAppears in sequencesErroneous version of A134998.at n=20A048662Palindromic primes with middle digit 5.at n=30A082441Palindromic primes whose digital root equals their middle digits.at n=24A082518Palindromes in A085932.at n=15A085933Dihedral palindromic primes.at n=21A134998Prime numbersat n=135417