> 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/a/arbitrary-precision_integers_included.md).

# Arbitrary-precision integers included

```ruby
var x = 5**(4**(3**2))
var y = x.to_s
printf("5**4**3**2 = %s...%s and has %i digits\n", y.first(20), y.last(20), y.len)
```

#### Output:

```
5**4**3**2 = 62060698786608744707...92256259918212890625 and has 183231 digits
```
