337277domain: NPropertiesPrimalityPrimeyesAppears in sequencesFirst term of weak prime septet: p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3) < p(m+5)-p(m+4) < p(m+6)-p(m+5).at n=16A054834Twin primes whose digits are primes.at n=27A087367Prime numbersat n=28976