134213domain: NPropertiesPrimalityPrimeyesAppears in sequencesBalanced primes p of the form (r+q+s-1)/2, where r, q, s are consecutive primes.at n=26A129191Primes of the form abcdabcd..abcdab.at n=29A187114Primes p such that phi(p*(p-1)/2) is a triangular number (A000217).at n=4A291340Prime numbersat n=12514