# Question: Is The Square Root Of 27 A Rational Number?

## What’s the 2nd square number?

Square NumberSloanenumbers1A0002901, 4, 9, 16, 25, 36, 49, 64, 81, …2A0004152, 5, 8, 10, 13, 17, 18, 20, 26, 29, …3A0004193, 6, 11, 12, 14, 19, 21, 22, 24, 27, …4A0042157, 15, 23, 28, 31, 39, 47, 55, 60, 63, ….

## Why is 27 a prime number?

27 is divisible by other numbers (3 and 9), so it is not prime. The factors of 27 are 1, 3, 9, and 27, so it is not prime. The only even prime number is 2; thereafter, any even number may be divided by 2. … The prime numbers less than 50 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, and 47.

## What is the perfect square of 28?

784Perfect Square:Positive IntegerInteger Squared=Perfect Squares List2727 ^2 =7292828 ^2 =7842929 ^2 =8413030 ^2 =90092 more rows

## What is the 3rd square root of 27?

For example, the cubed root of 27 is 3, as 3 x 3 x 3 = 27. The cubed root of 125 is 5, as 5 x 5 x 5 = 125.

## Is Square Root 64 a rational number?

The positive square root of 64 is 8, and all integers are rational by definition. To determine if a number is rational you need to see if you can write the value exactly as a fraction (or ratio) of two integers. … The square root of 64 is 8. 8 is a rational number.

## What is the 7th cube number?

343Cube Numbers ListNumberCube6216=6 X 6 X 67343=7 X 7 X 78512=8 X 8 X 89729=9 X 9 X 9160 more rows

## Is the square root of 36 a rational number?

The square root of 36 is a rational number. A rational number is a number that can be written as a fraction, a/b, where a and b are integers.

## Is 27 a cube number?

It is called a cube number because it gives the volume of a cube whose side length is an integer. … The third cube number is 27 because 3 × 3 × 3 = 27 , and so on. The first five cube numbers are: 1, 8, 27, 64 and 125.

## Is 27 a perfect square?

Is 27 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 27 is about 5.196. Thus, the square root of 27 is not an integer, and therefore 27 is not a square number.

## What kind of number is 27?

27 is also a decagonal number. In decimal, it is the first composite number not divisible by any of its digits. It is the radix (base) of the septemvigesimal positional numeral system. 27 is the only positive integer that is 3 times the sum of its digits.

## Is 0 a rational number?

Zero Is a Rational Number As such, if the numerator is zero (0), and the denominator is any non-zero integer, the resulting quotient is itself zero.

## Is 9 square root a rational number?

When the square root of a number is a whole number, this number is called a perfect square. 9 is a perfect square because \begin{align*}\sqrt{9}=3\end{align*}. … Many square roots are irrational numbers, meaning there is no rational number equivalent.

## What is the square root for 27?

The Final Answer for the Square Root of 27 01%, the square root of 27 is 5.196.

## Is Square Root 28 a rational number?

Answer and Explanation: The square root of 28, which is 5.291502622129181, is not a rational number. It cannot be written as a simple fraction, so it is called an irrational…

## What is the smallest cube number?

9That means that 9 is a smallest number. It can be more than 9 as the following sum of 180³ with 64 (!) cubic numbers shows.

## Is 28 a real number?

All integers are rational numbers. … All terminating decimal numbers are rational. 28. All irrational numbers are real.

## Is 6 squared a rational number?

By definition, that means there are two integers a and b with no common divisors where: a/b = square root of 6. … Then our initial assumption must be false, so the square root of 6 cannot be rational. There you have it: a rational proof of irrationality.