U+222A
Union∪
Union is a monochrome text character from the Unicode Mathematical Operators block, listed here under Math. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents. It is often searched for as "set".
Quick facts
- Unicode
- U+222A
- Decimal
- 8746
- Hex
- 0x222A
- Octal
- 0o21052
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+222A | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | UNION | |
| DecimalBase 10 | 8746 | |
| HexadecimalBase 16 | 0x222A | |
| OctalBase 8 | 0o21052 | |
| BinaryBase 2 | 0010001000101010 | |
| General categorySymbol, math | Sm | |
| Unicode blockU+2200–U+22FF | Mathematical Operators | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ∪ | |
| HTML entity (hex) | ∪ | |
| HTML entity (named) | ∪ | |
| CSS content escapeUse inside content: "…" | \222A | |
| URL encodedPercent-encoded UTF-8 | %E2%88%AA |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u222A | |
| JSONUTF-16 surrogate pairs | \u222A | |
| Python | \u222A | |
| Java / C# / Kotlin | \u222A |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 88 AA | |
| UTF-16 (BE) | 222A | |
| UTF-32 (BE) | 0000222A |
How to type Union
Windows
Hold Alt and type +222A with the hex numeric keypad option enabled, or type 222A then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 222A. Or open Character Viewer (Control+Command+Space) and search "Union".
Linux
Press Ctrl+Shift+U, type 222a, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.
HTML, CSS & code
Paste the character directly, or use the escapes above: ∪ in HTML, \222A in CSS, and \u222A in JavaScript.
Official Unicode reference
- Character name
- UNION
- Block
- Mathematical Operators (U+2200–U+22FF)
- General category
- Sm — Symbol, math
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Mathematical Operators block: U2200.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Union symbol?
Click the Copy button at the top of this page, or select ∪ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.
What is the Unicode code point for Union?
Union is U+222A (decimal 8746, hexadecimal 0x222A, octal 0o21052). It lives in the Mathematical Operators block (U+2200–U+22FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Union?
The Unicode Standard (version 18.0.0) names this character "UNION". Its General_Category is Sm (Symbol, math).
What is the HTML code for Union?
Use ∪ or ∪, or the named entity ∪. In CSS, use content: "\222A".
How do I type Union in code?
JavaScript: "\u222A". Python: "\u222A". JSON and Java: "\u222A". The UTF-8 byte sequence is E2 88 AA.
Is Union an emoji?
No. Union is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.