If it is, then its square root has more than 7 decimal places.
It's definitely not the square of an integer:
(158)2 = 24,964
(159)2 = 25,281
sqrt(25,036) = 158.227684+
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30 is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer.
500 is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer.
8 is a perfect cube; it is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer....you're thinking of 9...
1764 was a perfect square year.
No, 8x8 is 64 and that is a perfect square... 69 is not!