---
title: Python Hex Function
---
`hex(x)` is a built-in function in Python 3 to convert an integer number to a lowercase hexadecimal string prefixed with “0x”.
## Argument
This function takes one argument, `x`, that should be of integer type.
## Return
This function returns a lowercase hexadecimal string prefixed with "0x".
## Example
print(hex(16)) # prints 0x10
print(hex(-298)) # prints -0x12a
print(hex(543)) # prints 0x21f
 Run Code
Official Documentation