In the 7-bit ASCII character set, ASCII code 51 is represented by the character 3 also known as the three.

Character Representation Value/Description
ASCII Character 3
Decimal 51
Octal 63
Hexadecimal 33
Binary 0011 0011
Description Three
Category Printable Characters
Subcategory Digits
Unicode U+0033

Encoding

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

Encoding Method Encoded Value
URL Escape Code 3
Quoted-printable =33