2-digit sabroso numbers wanted, perfect square
Source: 2020 Colombia day 1 p1
November 27, 2022
number theoryDigitsPerfect SquaresPerfect Square
Problem Statement
A positive integer is called sabroso if when it is added to the number obtained when its digits are interchanged from one side of its written form to the other, the result is a perfect square. For example, is sabroso, since . Find all two-digit sabroso numbers.