202877domain: NPropertiesPrimalityPrimeyesAppears in sequencesList of sets of four consecutive primes in arithmetic progression with common difference 18.at n=19A033450Primes of the form 2*k*prime(k) + 1.at n=31A062403Primes from merging of 6 successive digits in decimal expansion of Catalan's constant.at n=13A104920Prime numbersat n=18214