160081

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 88.at n=1A031676
• Primes with 28 as smallest positive primitive root.at n=3A061732
• Primes of the form 16*m^2 + 81, m=1,2,3,...at n=17A087861
• Primes of the form x^4 + y^4 with x^2 + y^2 and x+y also prime.at n=17A100268
• Primes of the form n^2 + 81.at n=37A256775
• Primes p such that psi(p+1) = psi(p+2).at n=19A389278
• Prime numbersat n=14692