170351

Properties

Appears in sequences

• Primes of the form 7n^2 - 1.at n=12A201793
• Lesser of twin primes P(k) and P(k+1) such that Sd(P(k)) + Sd(P(k+1)) = Sd(k) + Sd(k+1), where Sd(x) is the sum of digits of x.at n=21A277111
• Prime numbersat n=15529