Question 62
A four digit number $\overline{aabb}$, that is, the number whose digits are $a, a, b$, and $b$, is the square of an integer.
Of which integer is $\overline{aabb}$ the square?
Of which integer is $\overline{aabb}$ the square?
MathNet 2019-part-04 — 184 problems (EN–VI) Question 62
Math Olympiad Vault · MathNet 2019-part-04 — 184 problems (EN–VI)