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Earn +20 ptsQ: Is 81 a perfect number or a abundant or deficient?
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What kind of a number is 81?
81 is; Natural number, Perfect-square number, Perfect 4th root number, Perfect totient number, Odd Number, Composite Number, etc.
What is the the next square number after 81?
The next perfect square after 81 (92) is 100 (102).
What is a perfect square between the numbers 70-85?
155
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
What is A two digit perfect square number is?
16, 25, 36, 49, 64, or 81
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