170369

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 32.at n=22A031620
• Primes of the form 2^r*11^s + 1.at n=12A077499
• Primes of the form 2k^3+1.at n=15A201107
• Lesser of twin happy primes.at n=21A387240
• Prime numbersat n=15532