530513

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 63.at n=14A031651
• Primes p such that adding their adjacent digits in pairs, the digits of their index pi(p) is obtained, in some order.at n=6A115998
• Prime numbersat n=43865