Unicode Character "1" (U+0031)

The character 1 (Digit One) is represented by the Unicode codepoint U+0031. It is encoded in the Basic Latin block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as 1.

Main Unicode Properties

Name Digit One
Unicode Codepoint U+0031
Unicode Version 1.1 (June, 1993)
Block Basic Latin
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class European Number (EN)
Is mirrored? No

Other Unicode Data

U+0031 Conversion

HTML (decimal) 1
HTML (hex) 1
HTML (named) -
URL Escape Code %31
CSS \000031
JavaScript, JSON \u0031
C, C++, Java \u0031
Python \u0031
Rust \u{0031}
Ruby \u0031

How to type "1"

  • Windows ?: Hold Alt, then type 0 0 3 1. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 0 0 3 1. Release Alt.


  • 1
    Times, Times New Roman, serif
  • 1
    Helvetica, Arial, sans-serif
  • 1
    Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0x31
UTF-16 (hex) 0x0031
UTF-32 (hex) 0x00000031

Characters based on "1" (U+0031)