12656129domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of continued fraction convergents to sqrt(547).at n=12A042046Fundamental nonnegative solution x(n) of the Diophantine equation x^2 - A045339(n)*y^2 = -2, for n >= 1.at n=27A339881Prime numbersat n=828239