213713domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrime p3 of the sequence A164077: a^b + c^d = p1 (A164077), where a, b, c, d are primes and a + b + c + d = p2 (A164078), where p2 is prime and conc(abcd) = p3 (concatenation of a, b, c , d) is also prime.at n=3A164079Prime numbersat n=19104