1190475

Appears in sequences

• Numbers k whose digits can be divided into two contiguous parts, k = concatenate(x, y), such that k = |x^2 - y^2|.at n=22A113797
• Numbers k which are concatenations k = x//y such that x^2 - y^2 is a multiple of k.at n=16A162701
• Positive numbers n with concatenations n=x//y such that n=x^2-y^2.at n=9A258482
• Numbers k such that both k and k+1 are recursive abundant numbers (A333928).at n=22A333951