986880

Appears in sequences

• a(n) = n^2*(n^2 + 1)*(n-1).at n=16A037250
• Totient of 2^n+1.at n=20A053285
• Euler totient function of Cullen numbers (A002064), n*2^n +1.at n=16A056820
• a(n) = n^4*(n^4+1)*(n^2-1).at n=4A064583
• Numbers k such that phi(k) is a perfect 9th power.at n=30A078169
• Numbers whose set of base 16 digits is {0,F}, where F base 16 = 15 base 10.at n=20A097262
• a(n) = phi(4^n+1), where phi is Euler's totient function (A000010).at n=10A366608