360289

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 70.at n=9A031658
• Primes of the form concatenation(A141468(k), k).at n=21A154506
• Ramanujan primes that begin a record gap to the next Ramanujan prime.at n=18A182876
• a(n) = largest Ramanujan prime R_k in A104272 that is <= A002386(n).at n=15A214756
• Prime numbersat n=30780