106213domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p - d and p + d are also primes, where d is the largest digit of p.at n=38A245877Number of odd entries in the character table of the symmetric group S_n.at n=20A274691Primes formed by concatenating k and 2k+1.at n=37A309808Prime numbersat n=10122