1433689domain: NPropertiesPrimalityPrimeyesAppears in sequencesDenominators of the convergents of the continued fraction expansion [1;1/2,1/3,1/4,...,1/n,...].at n=13A092053Prime(n), where n is such that (1 + Sum_{i=1..n} prime(i)^15) / n is an integer.at n=19A233414Prime numbersat n=109471