> For the complete documentation index, see [llms.txt](https://docs.tabula.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tabula.io/data-transformation/formulas/math-functions/isodd.md).

# IsOdd

Checks if a value is odd

```mathematica
IsOdd(4) → false
IsOdd(3) → true
```

#### **Inputs**

`IsOdd(number)`

* `number`- A number expression

Return `true` if a `number` is odd, and `false` otherwise