>[!summary] An integer is a whole number denoted as $\mathbb{Z}$ >[!info]+ Read Time ⏱ **1 min** # Definition An integer is a whole number. It is any number from $\dots, -2, -1,0 ,1, 2, \dots$ or more commonly noted as the set of all integers denoted as $\mathbb{Z}$ ## Examples Some examples of integers are 9999, 0, -1000 & 12 Some examples of non-integers are: - 4/3 - $\sqrt{2}$ - $1 + 2i$ # Resources <iframe width="560" height="315" src="https://www.youtube.com/embed/2kX5WFXN17M?si=2_tE91aH2sziwvMQ" 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> --- > 💡 Found this concept helpful? [Star Math & Matter on GitHub](https://github.com/rajeevphysics/Obsidian-MathMatter) to support more intuitive science breakdowns like this. ---