1976837domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 1+A162143(k).at n=25A164517Primes of the form (n^2)*(n+1)^2 + 1.at n=12A179923First of two consecutive (primes of the form n^2+1) with no semiprime of the same form between them.at n=26A242109Prime numbersat n=147312