Mathematics, 29.10.2021 14:00 dawnmyers88
Some perfect squares (such as 100), have a digit sum (1+0+0=1) that is equal to the digit sum of their square root (1+0=1). Some other 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 ((1+1)2=4). What is the smallest perfect square greater than 100 that is in neither of these two categories?
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Some perfect squares (such as 100), have a digit sum (1+0+0=1) that is equal to the digit sum of the...
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