695749domain: NPropertiesPrimalityPrimeyesAppears in sequencesIncreasingly ordered odd primes p(m) with p(m) = (sum of the digits of all primes p(i) in base 3 for i=1, 2, ..., m-1) + (sum of digits of m-1 in base 3).at n=9A241896Primes p such that 1000p+1, 1000p+3, 1000p+7 and 1000p+9 are prime.at n=23A242562Prime numbersat n=56241