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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.

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โˆ™ 2009-11-10 04:19:38
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Q: Is 20 a square number or not?
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Related questions

Is the number 20 a perfect square?

20 is a not perfect square.


What is the square root of 20?

The square root of 20 is: ± 4.472136The square root of 20 is ± 4.472136 (to 7 sf).A square root of a number is the number that when multiplied by itself equals the given number.


Is 20 a square number?

20 is not the square of an integer, the square root of 20 is approximately equal to 4.472.


A number whose square is 20?

Well, a square number is the answer to a number multiplied by itself. So, what you'd have to do is multiply 20*20, and the answer is 400.


Is the square root of 20 a rational number or irational?

The square root of 20 is an irrational number


What is A number those square is 20?

If you mean the square root is 20, the answer is 400. If you mean the square root of 20, the answer is about 4.47.


Is the number a perfect square?

20 is a not perfect square.


Square number between 20 and 30?

The only square number of an integer between 20 and 30 is 25, which is equal to the square of ±5.


How is 400 a square number?

20*20 = 400


What is the square roots of a even number from 10 to 20?

16 is an even number from 10 to 20, and its square roots are -4 and +4.


What number and its square equal 20?

It is: 4+16 = 20


Is 400 a significant number?

400 is a significant number because it is a square number as 20*20 = 400


Can a number be both a composite number and a square?

Yes.... look at the number 20. It's a composite and it does have a square root.


Square numbers between 20 and 30?

The only square number between 20 and 30 is 25.


What The square of a number 11-20 with example?

The square of 11-20 is the square of -9. To actually calculate the square, multiply -9 by itself.


What are the square numbers 14 to 20?

16 is the only square number.


Which number between 20 and 40 is both a triangular number and a square number 36 or 25 or 21 or 35?

36 is the only square number that is also a triangular number between 20 and 40.


Is the square root of 20 a rational number?

No.


What are square roots of the number 400?

20


What is a square number between 20 and 30?

25 is a perfect square occurring between 20 and 30.


Why isn't 20 considered a square number?

because there is no whole number when multiplied by itself that gives 20. 25 is a square number because 5 x 5 = 25


What is the formula to find out the square root of 20?

The square root of 20 is an irrational number that can be expressed as 2 times square root of 5


What is a square of a natural number 1-20?

21


400 square number?

Yes. 400 is the product of 20 x 20.


How many square number between 1 to 20?

There are (not counting 1) three square numbers between 1 and 20.