707923domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of base 27 circular n-digit numbers with adjacent digits differing by 4 or less.at n=6A125364Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=x^2+y^2+z^2.at n=30A212093Primes p such that p + 10^i are prime for i from 1 to 5.at n=29A387703Prime numbersat n=57143