225779domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 5 iterations of function f(x) = 9x + 10.at n=10A023355Numerators of continued fraction convergents to sqrt(215).at n=10A041400Numerators of continued fraction convergents to sqrt(860).at n=4A042660Prime numbersat n=20087