630023domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest factor of 3^(2n)+(2n)^3.at n=36A109215Primes of the form sigma(k) + tau(k) + phi(k), where sigma(k) = A000203(k), tau(k) = A000005(k) and phi(k) = A000010(k).at n=26A229266Prime numbersat n=51343