72911domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^2 + 11.at n=19A138362Emirps that can be written as p*q+p+q where p and q are emirps.at n=15A352249Primes that are the concatenation of a square and a prime that is the concatenation of two squares.at n=36A364359Prime numbersat n=7209