710341domain: NPropertiesPrimalityPrimeyesAppears in sequencesClass 9+ primes.at n=1A081637Smaller factor of the n-th semiprime of the form (m!)^2 + 1.at n=8A083341Smallest prime factor of A020549(n) = (n!)^2 + 1.at n=19A282706Prime numbersat n=57327