 # Quick Answer: Is 55 A Perfect Square?

## Is 75 a perfect square?

Is 75 a perfect square number.

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 75 is about 8.660.

Thus, the square root of 75 is not an integer, and therefore 75 is not a square number..

## Why is 64 a perfect number?

64 is the sum of Euler’s totient function for the first fourteen integers. It is also a dodecagonal number and a centered triangular number. 64 is also the first whole number that is both a perfect square and a perfect cube. … In base 10, no integer added up to its own digits yields 64, hence it is a self number.

## What is the square of 50?

Table of Squares and Square RootsNUMBERSQUARESQUARE ROOT492,4017.000502,5007.071512,6017.141522,7047.21196 more rows

## Why is 121 not a prime number?

Why is 121 not a prime number? A prime number is a natural number, greater than one, that can only be divided by 1 and itself. The number 121 can be evenly divided by 1, 11 and 121, with no remainder. Since 121 cannot be divided by just 1 and 121, it is not a prime number.

## What is the square of 55?

7.4162The square root of 55 is 7.4162.

## Is 64 a perfect square?

The perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 …

## What is the perfect square of 11?

Perfect Square:Positive IntegerInteger Squared=Perfect Squares List99 ^2 =811010 ^2 =1001111 ^2 =1211212 ^2 =14492 more rows

## 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 20 a perfect square?

Is 20 a perfect square number? 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 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.

## Is 50 a perfect square?

Explanation: 50 is not the perfect square of an integer or rational number. … It is a square of an irrational, algebraic, real number, namely 5√2 , therefore you could call it a perfect square in the context of the algebraic numbers.

## What is the square of 85?

The square root of 85 with one digit decimal accuracy is 9.2.

## What is root 54 simplified?

So, 3√6 is a simplified version of √54.

## What is the square of 64?

√−64=8i is the principal square root. −√−64=−8i is the other square root. Note that 8i is not “positive”.

## What is the square of 121?

11Student Answers The square root of a number is the answer to a number multiplied by itself. So the square root of 121 is 11 because 11×11=121.

## IS 121 a perfect square?

The square root of 121 equals 11. Since 11 is a whole number, 121 is a perfect square.