80191

Properties

Appears in sequences

• Leading diagonal of triangle in A072467.at n=32A072468
• Primes p such that p-1 and p+1 are divisible by a fifth power.at n=4A089212
• Primes which are divisors of numbers of the form (2^phi(3^k) - 1)/3^k.at n=11A152008
• Numbers k such that 2^(3^j) == 1 (mod k) for some j.at n=11A318688
• The number of vertices on a decagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=3A332418
• Prime numbersat n=7852