741677domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial primes in prime triples (p, p+2, p+6) preceding the maximal gaps in A201598.at n=20A201599Record values in A061026, the smallest number m such that n divides phi(m), where phi is Euler's totient function.at n=40A233517Prime numbersat n=59649