82680

Appears in sequences

• Integers x such that for some integer y we have uphi(x) = uphi(y) = x-y, where uphi(n) = A047994(n) is the unitary totient function: If n = Product p_i^e_i, uphi(n) = Product (p_i^e_i - 1).at n=14A067739
• Numbers n such that n^3 is the sum of three or more consecutive positive cubes.at n=17A097811
• n*A027642(n).at n=52A164869
• First bisection of A164869.at n=26A164877