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20 is a not perfect square.

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Q: Is the number 20 a perfect square?
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Related questions

Is the number a perfect square?

20 is a not perfect square.


Is 20 a square number or not?

No. Square numbers (or perfect square numbers) are squares of integers. The perfect square numbers are 1, 4, 9, 16, 25, 36 ... 20 is not in the series.


What is it called when a number has a whole number square root?

Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".


Is 20 a perfect square number?

No, it is not. 4x4=16; 5x5=25 20=4x5


What is a square number between 20 and 30?

25 is a perfect square occurring between 20 and 30.


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 is the probability number is perfect square from 10 to 20?

There are 11 numbers from 10 to 20 if we include 10 and 20. Of those, only 16 is a perfect square. So the probability if 1/11 or .09 repeating.


Can a perfect number be odd?

If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.


What number is both a square number and a cube number between 1 and 25?

There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.


How do you determine that 72 is not a square number?

You take the square root of the number. If it is a perfect square, this will be a whole number. If it is not, it isn't a perfect square.


Why is a perfect square the square of a whole number?

It is the definition of a perfect square.


Is 20 a perfect square?

No