71453

Properties

Appears in sequences

• Primes p such that (3^p - 3^((p + 1)/2) + 1)/7 is prime.at n=10A125743
• Primes of the form 5*x^2 - 2*y^2, where x and y are successive natural numbers.at n=25A177077
• Sixth prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n.at n=30A238678
• Numbers n such that the Eisenstein integer ((1-ω)^n+1)/(2-ω) has prime norm, where ω = - 1/2 + sqrt(-3)/2.at n=22A239842
• Number of amicable pairs with lesser member at most 2^n.at n=48A290985
• Prime numbersat n=7078