233113domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with d digits (d>0) which have more than 2d distinct primes as substrings.at n=15A168169Primes with twelve embedded primes.at n=10A179922Primes which are the concatenation of two primes in exactly three ways.at n=30A238499Prime numbersat n=20680