125299domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2 + (n+4)^2 + (n+5)^2.at n=30A027867Denominators of continued fraction convergents to sqrt(998).at n=11A042933Primes of the form 2*n^2 + 42*n + 19.at n=28A221903Prime numbersat n=11760