U+2201 · Mathematical Operators
Complement ∁
Complement is the Unicode character U+2201 (official name “COMPLEMENT”) from the Mathematical Operators block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.
UnicodeU+2201
HTML∁
∁U+2201
Character codes
| Unicode code point | U+2201 | |
|---|---|---|
| Decimal | 8705 | |
| HTML named entity | ∁ | |
| HTML (hex) | ∁ | |
| HTML (decimal) | ∁ | |
| CSS | \2201 | |
| JavaScript | \u2201 | |
| Python | \u2201 | |
| UTF-8 bytes | E2 88 81 | |
| UTF-16 | 2201 | |
| URL-encoded | %E2%88%81 |
Character details
| Official name | COMPLEMENT |
|---|---|
| Unicode block | Mathematical Operators |
| General category | Math Symbol (Sm) |
| SymbolHero category | Math Symbols |
| Emoji | No |
How to type ∁
Windows
- In Microsoft Word or Outlook: type
2201then press Alt + X. - Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “complement”, then Select and Copy.
Mac
- Press Control + Command + Space to open the Character Viewer, search “complement”, and double-click the result.
- With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type
2201.
iPhone & Android
- Tap Copy at the top of this page, then long-press where you want it and choose Paste.
Docs & web
- Google Docs: Insert → Special characters, then search “complement” or enter
U+2201. - HTML:
∁or∁ - Excel / Google Sheets:
=UNICHAR(8705)
Similar math symbols
Questions
What is the Unicode for ∁?
It is U+2201 (COMPLEMENT), decimal 8705.
Is there a Windows Alt code for it?
No standard Alt code exists for this character. In Word type 2201 then Alt+X, or copy it from this page.
How do I type it on a Mac?
There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “complement”, or copy it from this page.
What is the HTML code?
Use the named entity ∁ or the numeric reference ∁.