U+22D1
CHARACTER
DOUBLE SUPERSET
Category:
Math Symbol (Sm)
Block:
Mathematical Operators
Script:
Common
Age:
Unicode 1.1
Plane:
Basic Multilingual Plane (BMP)
Quick Facts
| Unicode Name |
DOUBLE SUPERSET
|
|
|---|---|---|
| Code Point |
U+22D1
|
|
| Decimal Value |
8913
|
|
| General Category | Math Symbol (Sm) → | |
| Unicode Block | Mathematical Operators → | |
| Script | Common → | |
| Unicode Version | Unicode 1.1 → | |
| Unicode Plane |
Basic Multilingual Plane (BMP)
|
Byte Encodings
| UTF-8 3 bytes |
E2 8B 91
|
|
|---|---|---|
| UTF-16 Code Unit |
22D1
|
|
| UTF-32 4 bytes |
000022D1
|
|
| UTF-16BE / LE Byte Order |
BE:
22 D1
LE: D1 22
|
|
| UTF-32BE / LE Byte Order |
BE:
00 00 22 D1
LE: D1 22 00 00
|
Developer Code Escapes
| HTML Decimal |
⋑
|
|
|---|---|---|
| HTML Hexadecimal |
⋑
|
|
| HTML Named Entity |
None
|
|
| CSS Escape |
\0022D1
|
|
| JavaScript (ES6) |
\u22D1
|
|
| JavaScript (UTF-16) |
\u22D1
|
|
| JSON Escape |
\u22D1
|
|
| Python |
\u22D1
|
|
| PHP |
"\u{22D1}"
|
|
| Java |
"\u22D1"
|
|
| C / C++ |
"\u22D1"
|
|
| Rust |
'\u{22d1}'
|
|
| URL Percent-Encoded |
%E2%8B%91
|
Normalization & Decomposition
| Combining Class |
0 — Not Reordered (Spacing)
|
|
|---|---|---|
| Decomposition | None (Canonical / Precomposed Base) | |
| NFC / NFD Forms | Stable under all Unicode normalization forms (NFC, NFD, NFKC, NFKD). |
Bidirectional Properties
| Bidi Class |
ON — Other Neutral
|
|
|---|---|---|
| Bidi Mirrored | Yes (Mirrored in RTL contexts) |
Font Specimen & Rendering
Visual rendering of U+22D1 across standard system font stacks. Rendering fidelity depends on installed OS font glyph coverage.
⋑
Context:
A ⋑ Z 123
⋑
Context:
A ⋑ Z 123
⋑
Context:
A ⋑ Z 123
⋑
Context:
A ⋑ Z 123