192097domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2m*691 - 1.at n=26A134671The first of two consecutive primes the sum of which is equal to the sum of two consecutive heptagonal numbers.at n=8A298466Convolution of A000219 and A001477.at n=19A360489Prime numbersat n=17335