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The first perfect number is 6 because 1, 2 and 3 are the proper positive divisors and 1 + 2 + 3 = 6
The next perfect number is: 1 + 2 + 4 + 7 + 14 = 28
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Is 9 a perfect square number?
Yes, nine is a perfect squarebecause 9 = 3*3
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
What is a whole number than can be named as a product of a number with itself called?
A whole number that can be made by multiplying an integer by itself is a perfect square, or square number. An example is 81, which is a perfect square made by 9 x 9.
Why is square root of 9 a rational number and square root of 3 is an irrational number?
Because 9 is a perfect square - which means that its square root is an integer. 3 is not a perfect square.
What does it mean for a number to be a perfect square?
A perfect square is a number whose square root is a whole number, such as 1, 4, 9, 16, 25, etc.
Is 9 a perfect square number?
Yes, nine is a perfect squarebecause 9 = 3*3
What is 81 a perfect square by what number?
81 is a perfect square because 81 = 9 x 9
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
What are perfect square?
A perfect square is a rational number that is the square of another rational number. 9, 16, 25, etc., are perfect squares of 3, 4, 5, etc., and X2 + 6X + 9 is a perfect square of (X + 3).
Is the number 81 a perfect square?
Yes because 9*9 = 81
What number is odd and a square number?
1 is odd and a perfect square.
How do you check if a number is a perfect square?
For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.
What are the perfect square's from the number's one through twelve?
' 1 ', ' 4 ', and ' 9 ' are perfect squares.
What is a whole number than can be named as a product of a number with itself called?
A whole number that can be made by multiplying an integer by itself is a perfect square, or square number. An example is 81, which is a perfect square made by 9 x 9.
Why is square root of 9 a rational number and square root of 3 is an irrational number?
Because 9 is a perfect square - which means that its square root is an integer. 3 is not a perfect square.
What number between 1 and 999 is a perfect square and a perfect cube?
729 27 x 27 = 729 9 x 9 x 9 =729
What does it mean for a number to be a perfect square?
A perfect square is a number whose square root is a whole number, such as 1, 4, 9, 16, 25, etc.
