## Is the square root of 6 a perfect square?

6 is not a perfect square so its square root is irrational, therefore the decimal form can only be estimated..

## Is 3 a perfect square?

3 is not a perfect square.

## IS 400 a perfect square?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 400 is 20. Therefore, the square root of 400 is an integer, and as a consequence 400 is a perfect square.

## IS 144 a perfect square?

144 is a perfect square.

## Why is 6 not a perfect square?

So now we know the digital root of 6 is 6. Is 6 in the list of digital roots that are always a square root (1, 4, 7 or 9)? Answer: NO, 6 is not in the list of digital roots that are always perfect squares. We can conclude that 6 IS NOT a perfect square and we don’t need to factor!

## What number is a perfect square?

For example, number 9 is a perfect square because it can be expressed as a product two equal integers being: 9 = 3 x 3….Example 1.IntegerPerfect square6 x 6367 x 7498 x 8649 x 98121 more rows

## Is 21 a perfect square?

21 is not a perfect square.

## Is 18 a perfect square?

18 is not a perfect square.

## Is 90 a perfect square?

Answer. No because 90 cannot be written in the form of product of two equal numbers so it is not a perfect square.