432448789domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n that generate 5 primes under the first 5 iterations of the map n->A002731(n).at n=11A187431Sequence of 5 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle.at n=1A308636Prime numbersat n=22971054