165161domain: NPropertiesPrimalityPrimeyesAppears in sequencesList of primes of the form 25n^2-36n+13 with n>=0.at n=20A154354Emirps (A006567) whose difference with the reversal is a perfect square.at n=21A217386SanD-68 primes p: such that p+d is also prime and sum of digits A007953(p(p+d)) = d, with d = 68.at n=34A307474Prime numbersat n=15105