99623domain: NPropertiesPrimalityPrimeyesAppears in sequencesLeast prime in A031938 (lesser of primes differing by 20) whose distance to the next 20-twin is 6*n.at n=20A052359Partial sums of A299256.at n=40A299262a(n) is the least positive integer in base n that when multiplied by 2n-1 will contain only the digits 0 and 1.at n=20A337624Prime numbersat n=9559