What do squares of numbers of the form 11...1 look like?

Squares of numbers like 11, 1111, etc. give palindromic numbers - numbers that can be read from left to right the same as from right to left: 111*111=12321 Of course, numbers like 111 are also palindromic.

Hartree@hartree@qoto.orgWhat do squares of numbers of the form 11...1 look like?

@mrwheeler Haha, to be honest, I also didn't enjoy math at that age. But that's because I didn't know much about it!