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# Squares: Answer ASAP with explanation

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Some perfect squares (such as 121) have a digit sum  $$(1 + 2 + 1 = 4)$$  that is equal to the square of the digit sum of their square root $$(\sqrt{121}=11)$$, and $$(1 + 1)^2 = 4)$$.

What is the smallest perfect square greater than 100 that does not have this property?

Sep 30, 2018