Mathematical Double-struck Digit Nine Symbol
𝟡 is the mathematical double-struck digit nine character used in technical and typographic contexts.
U+1D7E1
𝟡 is a Unicode character representing the mathematical double-struck digit nine. It’s commonly used when you want a “blackboard bold” style numeral in math-heavy text. Below you’ll find copy options, Unicode details, and practical usage ideas.
Mathematical Double-struck Digit Nine Symbol Meaning
𝟡 (Unicode name: MATHEMATICAL DOUBLE-STRUCK DIGIT NINE) is a double-struck numeral, typically used to match “blackboard bold” typography in mathematical notation. Double-struck characters often appear in texts and fonts where authors distinguish special number sets or emphasize particular numeric values. In practice, 𝟡 is most useful when you need a consistent typographic style for the digit 9 across equations, document headings, posters, and code-rendered symbols. Since it’s a specific Unicode character, it can be searched, copied, and rendered reliably wherever the font supports this glyph.
Common uses
- •Labeling mathematical examples or numbered statements in blackboard-bold style
- •Writing formal documents that require double-struck numerals (e.g., digit 9 in a sequence)
- •Designing posters or slides with a math-themed typographic look
- •Creating consistent math notation in HTML/Markdown where you need a specific Unicode glyph
- •Formatting UI elements for STEM education apps that display styled numeral symbols
Examples
𝟡 Mathematical Double-Struck Digit Nine
- 𝟡The set contains 𝟡 elements.
- 𝟡Choose 𝟡 as the target digit.
- 𝟡Let n = 𝟡 in the formula below.
- 𝟡Result 𝟡 is shown in the table.
- 𝟡Compute using value 𝟡 for this step.
Variations
Ready to copy
Technical codes
| Unicode | U+1D7E1 | |
| HTML Entity | 𝟡 | |
| HTML Code | 𝟡 | |
| CSS | \1D7E1 |
FAQ
What does the Mathematical Double-struck Digit Nine symbol mean?
𝟡 (Unicode name: MATHEMATICAL DOUBLE-STRUCK DIGIT NINE) is a double-struck numeral, typically used to match “blackboard bold” typography in mathematical notation. Double-struck characters often appear in texts and fonts where authors distinguish special number sets or emphasize particular numeric values. In practice, 𝟡 is most useful when you need a consistent typographic style for the digit 9 across equations, document headings, posters, and code-rendered symbols. Since it’s a specific Unicode character, it can be searched, copied, and rendered reliably wherever the font supports this glyph.
What Unicode character is 𝟡?
𝟡 is the Unicode character MATHEMATICAL DOUBLE-STRUCK DIGIT NINE with codepoint U+1D7E1.
How do I copy 𝟡 into my document or code?
Copy the character directly from this page. You can also use the HTML entity 𝟡, or escapes like \\1D7E1 (CSS) and \\u{1D7E1} (JavaScript).
Will 𝟡 always display correctly?
It depends on whether your system and font support this Unicode glyph. If the font doesn’t include it, you may see a fallback character.
Is 𝟡 the same as a regular 9?
No. 𝟡 is a distinct Unicode character with a double-struck mathematical style, not the standard digit 9.