2595319domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form p*q+2 where p and q are consecutive primes.at n=31A048880Primes of the form p*(p+4)+2 where p and p+4 are primes.at n=16A078597Lesser of a pair (p,p+4) of cousin primes whose arithmetic mean p+2 is a square number.at n=28A176130Prime numbersat n=189561