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# Find the least perfect square with four digits.

Last updated date: 18th Mar 2023
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As we know the smallest four digit number is 1000, which is not a perfect square as we find the square root of 1000, i.e. $\sqrt {1000} \approx 31.622$ which does not give the perfect square root.
$\Rightarrow 32 \times 32 = 1024$