2 problems

Let $N$ be a natural number for which there exist antipalindromic numbers $A$ and $B$ with $N=A/B$, and measure the size of a solution by the length of the relevant base-$2$ repres…

Let $N$ be a natural number for which there exist palindromic numbers $A$ and $B$ with $N=A/B$, and measure the size of a solution by the length of the relevant base-$2$ representa…