In the 7-bit ASCII character set, ASCII code 40 is represented by the character ( also known as the open parenthesis (or open bracket).

Character Representation Value/Description
ASCII Character (
Decimal 40
Octal 50
Hexadecimal 28
Binary 0010 1000
Description Open parenthesis (or open bracket)
Category Printable Characters
Subcategory Punctuation and Symbols
Unicode U+0028

Encoding

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

Encoding Method Encoded Value
URL Escape Code %28
Quoted-printable =28