178613

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 36.at n=17A031624
• Primes of the form 5n^2 + 8.at n=24A201486
• Primes p with A047967(p) also prime.at n=32A236418
• Primes p such that f(f(p)) is prime where f(x) = Phi_6(x).at n=32A237446
• Prime numbersat n=16214