In the 7-bit ASCII character set, ASCII code 88 is represented by the character X also known as the uppercase x.

Character Representation Value/Description
ASCII Character X
Decimal 88
Octal 130
Hexadecimal 58
Binary 0101 1000
Description Uppercase X
Category Printable Characters
Subcategory Uppercase Latin alphabet
Unicode U+0058

Encoding

Encoding non-standard letters and characters into values that can be displayed e.g. in browsers

Encoding Method Encoded Value
URL Escape Code X
Quoted-printable =58