67043domain: NPropertiesPrimalityPrimeyesAppears in sequencesFifth term of strong prime sextets: p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m).at n=19A054817n-th prime that begins with prime(n).at n=18A229206Numbers k such that 2*10^k - 51 is prime.at n=21A295323Prime numbersat n=6679