224443domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes having only {2, 3, 4} as digits.at n=37A199342First of four consecutive primes p,q,r,s such that 2*p+q+r+s, p+2*q+r+s, p+q+2*r+s and p+q+r+2*s are all prime.at n=24A349586Prime numbersat n=19975