2952613domain: NPropertiesPrimalityPrimeyesAppears in sequencesStar numbers (A003154) whose digital sum and product of nonzero digits are both triangular numbers.at n=22A083748Primes p such that (p+j)^3 - (p+j)^2 +1 are primes for j=0 to 3.at n=18A111750Primes p such that (p+j)^3 - (p+j)^2 +1 are primes for j=0 to 3.at n=20A111750Prime numbersat n=213637