54877

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 42.at n=7A031630
• a(n) = n^3 + 5.at n=38A084381
• Primes of the form p=floor(T/6), T are triangular numbers.at n=37A171595
• Primes of form 5+38*n^2.at n=27A173554
• Primes of the form k^3 + 5.at n=6A201260
• Primes whose base-6 representation also is the base-3 representation of a prime.at n=28A235469
• Prime numbersat n=5580