6274823domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrime numbers p that yield a new record for the least number k such that p*k + 1 and p*k - 1 are twin primes.at n=24A220141Numbers n that yield a new record for k such that n*k+1 and n*k-1 are twin primes.at n=28A220143Prime numbersat n=430421