# Types of Numbers

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Types of numbers:

- Natural Numbers \( \mathbb{N} \): \( 1, 2, 3, 4, \dots \)
- Integers \( \mathbb{Z} \) - Natural numbers and 0 and negative of natural numbers: \( \ldots -1, 0, 1 \dots \)
- Rational Numbers \( \mathbb{Q} \) - \( \frac{ m}{n} \), where \(m\) and \(n\) are integers: \(3, \frac{1}{2},\) etc.
- Real Numbers \( \mathbb{R} \) - Any number that can appear on the number line: \( -0.123, \frac{98}{7}, \) etc.
- Irrational Numbers - any real number that is not rational: \( \pi, \sqrt{2}, \) etc.

**Cite as:**Types of Numbers.

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