Mathematical Double-struck Digit Three Symbol
𝟛 is the Mathematical Double-Struck Digit Three (U+1D7DB), a math-styled “3” used in technical typography.
U+1D7DB
𝟛 is a Unicode math digit styled with a double-struck look. It corresponds to the character name “MATHEMATICAL DOUBLE-STRUCK DIGIT THREE” (U+1D7DB). Use it when you need a “3” that matches formal mathematical or design styling.
Mathematical Double-struck Digit Three Symbol Meaning
𝟛 is a typographic variant of the digit three designed for mathematical contexts. As the Unicode name suggests, it is a “double-struck” digit, meaning it has a distinctive stroke style often used in formal math notation and scholarly layout. In practice, it’s most commonly used to match a specific font’s double-struck set when writing symbols, numbering items, or creating visually consistent math-style headings. It doesn’t have a widely established independent meaning beyond its role as a styled numeral character; its value is primarily visual and typographic.
Common uses
- •Math documents and lecture notes needing double-struck numeral styling
- •Designing consistent mathematical labels or enumerations in posters and slides
- •Creating typographic number sequences in academic or technical branding
- •Using in equations or inline text where a double-struck “3” is stylistically required
- •Copy/paste for social posts or graphics that feature mathematical typography
Examples
𝟛 Mathematical Double-Struck Digit Three
- 𝟛Set 𝟛 is defined as follows…
- 𝟛We choose 𝟛 as the starting value.
- 𝟛Step 𝟛: Verify the conditions.
- 𝟛Result: 𝟛 points are required.
- 𝟛Category 𝟛—double-struck style.
Variations
Ready to copy
Technical codes
| Unicode | U+1D7DB | |
| HTML Entity | 𝟛 | |
| HTML Code | 𝟛 | |
| CSS | \1D7DB | |
| Decimal | 120795 |
How to type Mathematical Double-struck Digit Three Symbol (𝟛)
On Windows
In Word, type 1D7DB then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d7db, then press Enter or Space.
Anywhere
Copy 𝟛 with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Double-struck Digit Three symbol mean?
𝟛 is a typographic variant of the digit three designed for mathematical contexts. As the Unicode name suggests, it is a “double-struck” digit, meaning it has a distinctive stroke style often used in formal math notation and scholarly layout. In practice, it’s most commonly used to match a specific font’s double-struck set when writing symbols, numbering items, or creating visually consistent math-style headings. It doesn’t have a widely established independent meaning beyond its role as a styled numeral character; its value is primarily visual and typographic.
What character is 𝟛?
𝟛 is the Unicode character “MATHEMATICAL DOUBLE-STRUCK DIGIT THREE” with code point U+1D7DB.
Where can I copy 𝟛?
You can copy the character directly from this page, or use the provided HTML entity (𝟛) / escapes (\1D7DB, \u{1D7DB}).
Will 𝟛 display correctly on all devices?
Not always. Double-struck math digits depend on the fonts installed and Unicode support. If your font lacks the glyph, it may fall back or show a different appearance.
Does 𝟛 mean something specific beyond being a stylized “3”?
Its primary purpose is visual/typographic. It’s a styled digit used when you specifically want the double-struck look; it doesn’t have a universally fixed symbolic meaning like a dedicated operator.