207481

Properties

Appears in sequences

• Primes with 31 as smallest positive primitive root.at n=22A061735
• Centered 1729-gonal numbers.at n=15A130876
• Numbers n such that both n-1 and n are nonsquares and the least positive solutions to the Pell equations x1^2 - n*y1^2 =1 and x0^2-(n-1)*y0^2 = 1 have a record for rho(n)=log(x1)/log(x0).at n=31A303604
• Prime numbersat n=18589