233969

Properties

Appears in sequences

• Prime 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=17A220141
• Numbers n that yield a new record for k such that n*k+1 and n*k-1 are twin primes.at n=20A220143
• Prime numbersat n=20744