> [!summary] Real numbers are an umbrella of numbers that can be defined on a number line > **Key Equations:** > Real number denoted as: $\mathbb{R}$ >[!info]+ Read Time **⏱ 1 min** # Definition Real numbers are an umbrella of any number that belongs to [[Natural Numbers|natural numbers]], [[Whole Number|whole numbers]], [[Integers|integers]], [[Rational Numbers|rational numbers]], and [[Irrational Numbers|irrational numbers]]. If $n$ is a real number, it is denoted as $ n\in \mathbb{R} $ Which means $n$ is in the [[Sets|set]] of real numbers # Resources <iframe width="560" height="315" src="https://www.youtube.com/embed/tC7NkH5xwBM?si=FdUqJw8D1uXwCw5O" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>