Q:
# Is Pi a Real Number?

**Pi is a real number, as all numbers that exist on a number line are real.** Real numbers include all rational and irrational numbers; pi is defined as an irrational number.

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J Gabas Esteban
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There are several categories that refer to types of numbers. Numbers that aren't real numbers include imaginary and complex numbers. Imaginary numbers are all numbers that are divisible by i, or the square root of negative one.

Rational numbers are those that can be written as a simple fraction. Therefore, 0.11111... (repeating) is a rational number because it can be written as 1/9, but pi is not a rational number because there is no fraction that is equal to the number pi.

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Q:
## Is Pi a Rational Number?

A: Pi is an irrational number, so named because it cannot be expressed as the ratio of two integers. The decimal representation of an irrational number never ... Full Answer >Filed Under: -
Q:
## What Is Pi?

A: Pi is the ratio of a circle's circumference to its diameter. The number pi, symbolized by a Greek letter, has a constant value that approximately equals 3.... Full Answer >Filed Under: -
Q:
## Why Is Pi Important in Math?

A: Pi is important in math because it describes how the circumference of a circle is in proportion to the diameter of a circle. To get pi, a mathematician div... Full Answer >Filed Under: -
Q:
## How Many Digits Are in Pi?

A: An endless number of digits are in pi. It is an irrational number, which means it cannot be expressed as the ratio of any two integers. Furthermore, it was... Full Answer >Filed Under: