> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/l/literals/integer.md).

# Integer

```ruby
say 255
say 0xff
say 0377
say 0b1111_1111
```

#### Output:

```
255
255
255
255
```