Unicode Character "∝" (U+221D)

The character ∝ (PROPORTIONAL TO) is represented by the Unicode codepoint U+221D. It is encoded in the Mathematical Operators block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as ∝. Its mirrored character is 𝬐 (U+1DB10).

Main Unicode Properties

Name PROPORTIONAL TO
Unicode Codepoint U+221D
Unicode Version 1.1 (June, 1993)
Block Mathematical Operators
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? Yes
Mirrored character 𝬐 (U+1DB10)

Other Unicode Data

Category Math Symbol
Script Code for undetermined script
Combining Class Not Reordered

U+221D Conversion

HTML (decimal) ∝
HTML (hex) ∝
HTML (named) ∝
URL Escape Code %E2%88%9D
CSS \221D
JavaScript \u{221D}
JSON \u221D
C, C++ \U0000221D
Java \u221D
Python \U0000221D
Rust \u{221D}
Ruby \u{221D}

How to type "∝"

  • Windows ?: Hold Alt, then type 2 2 1 D. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 2 1 D. Release Alt.

Preview

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

UTF Encodings

UTF-8 (hex) 0xE2 0x88 0x9D
UTF-16 (hex) 0x221D
UTF-32 (hex) 0x0000221D

References