U+2101
Addressed to the subject℁
Addressed to the subject is a monochrome text character from the Unicode Letterlike Symbols block, listed here under Circled & Boxed Letters. 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 "abbreviation".
Quick facts
- Unicode
- U+2101
- Decimal
- 8449
- Hex
- 0x2101
- Octal
- 0o20401
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+2101 | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | ADDRESSED TO THE SUBJECT | |
| DecimalBase 10 | 8449 | |
| HexadecimalBase 16 | 0x2101 | |
| OctalBase 8 | 0o20401 | |
| BinaryBase 2 | 0010000100000001 | |
| General categorySymbol, other | So | |
| Unicode blockU+2100–U+214F | Letterlike Symbols | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ℁ | |
| HTML entity (hex) | ℁ | |
| CSS content escapeUse inside content: "…" | \2101 | |
| URL encodedPercent-encoded UTF-8 | %E2%84%81 |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u2101 | |
| JSONUTF-16 surrogate pairs | \u2101 | |
| Python | \u2101 | |
| Java / C# / Kotlin | \u2101 |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 84 81 | |
| UTF-16 (BE) | 2101 | |
| UTF-32 (BE) | 00002101 |
How to type Addressed to the subject
Windows
Hold Alt and type +2101 with the hex numeric keypad option enabled, or type 2101 then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 2101. Or open Character Viewer (Control+Command+Space) and search "Addressed to the subject".
Linux
Press Ctrl+Shift+U, type 2101, 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, \2101 in CSS, and \u2101 in JavaScript.
Official Unicode reference
- Character name
- ADDRESSED TO THE SUBJECT
- Block
- Letterlike Symbols (U+2100–U+214F)
- General category
- So — Symbol, other
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Letterlike Symbols block: U2100.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Addressed to the subject 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 Addressed to the subject?
Addressed to the subject is U+2101 (decimal 8449, hexadecimal 0x2101, octal 0o20401). It lives in the Letterlike Symbols block (U+2100–U+214F) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Addressed to the subject?
The Unicode Standard (version 18.0.0) names this character "ADDRESSED TO THE SUBJECT". Its General_Category is So (Symbol, other).
What is the HTML code for Addressed to the subject?
Use ℁ or ℁. In CSS, use content: "\2101".
How do I type Addressed to the subject in code?
JavaScript: "\u2101". Python: "\u2101". JSON and Java: "\u2101". The UTF-8 byte sequence is E2 84 81.
Is Addressed to the subject an emoji?
No. Addressed to the subject 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.