143093domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form a^a + b^b + c^c + d^d.at n=13A133664Primes p such that p+2, p+4, p+6, p+8, p+10 and p+12 are all semiprime.at n=11A241483Primes p such that p+2, p+4, p+6, p+8, p+10 are semiprimes.at n=23A241959Prime numbersat n=13269