10830187domain: NPropertiesPrimalityPrimeyesAppears in sequencesTrajectory of 1 under map n->47n+1 if n odd, n->n/2 if n even.at n=16A033979Trajectory of 3 under map n -> 47n+1 if n odd, n->n/2 if n even.at n=11A037121Prime numbersat n=716003