1334667

Appears in sequences

• Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 10 (most significant digit on right).at n=28A029503
• Numbers k whose digits can be divided into two contiguous parts, k = concatenate(x, y), such that k = |x^2 - y^2|.at n=25A113797
• Numbers k which are concatenations k = x//y such that x^2 - y^2 is a multiple of k.at n=19A162701
• Positive numbers n with concatenations n=x//y such that n=x^2-y^2.at n=12A258482