943951domain: NPropertiesPrimalityPrimeyesAppears in sequencesFind the shortest prefix of Pi-3 = .141592653589793238462643383279502.. which is divisible by n and divide by n.at n=14A088143Least positive squarefree integer k such that Q(sqrt(k)) has a class number greater than that of any previous integer.at n=26A279908Prime numbersat n=74487