Mathematical Sans-Serif Bold Digit Three 𝟯
𝟯 (U+1D7EF) is a standard Unicode character that you can copy and paste anywhere text is accepted. This page provides a concise reference with safe tips, internal links, and practical guidance so you can use it reliably across apps and platforms.
What it is and where it’s used: Mathematical Sans-Serif Bold Digit Three is part of the Symbols family (block: Mathematical Alphanumeric Symbols). If you need styled or decorative alternatives, try our Fancy Text tool to generate compatible text that works in most modern interfaces.
Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+1D7EF in many development tools or editors. Some operating systems provide a character viewer or input palette that lets you search by name or code and insert the glyph into documents.
Display and fallback: if you see an empty box (tofu) or a placeholder rectangle, the active font might not include this codepoint. Switching to a font with broader Unicode coverage or using a fallback font usually fixes the issue. On the web, ensure the page’s font stack includes a general‑purpose fallback.
Related references: browse the Categories for similar characters. When choosing a symbol, prefer the official codepoint for semantic clarity and better compatibility with search, copy, and accessibility tooling.
See our category page for related symbols.
Technical details
- Codepoint:
U+1D7EF - General Category:
Nd - Age:
3.1 - Bidi Class:
EN - Decomposition:
<font> 0033 - Numeric Type:
Decimal - Numeric Value:
3 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 9F AF - UTF-16:
D835 DFEF - UTF-32:
0001D7EF - HTML dec:
𝟯 - HTML hex:
𝟯 - JS escape:
\u{1D7EF} - Python \N{}:
\N{MATHEMATICAL SANS-SERIF BOLD DIGIT THREE} - Python \U:
\U0001D7EF - URL-encoded:
%F0%9D%9F%AF - CSS escape:
\1D7EF
How to type / insert
Fast copy: click the Copy button near the top of this page.
By codepoint: in many editors and IDEs, you can insert via the Unicode code U+1D7EF or a built‑in character picker.
HTML: use the numeric entity &#x1d7ef; (hex) or &#120815; (decimal) when an HTML entity is needed.
Compatibility & troubleshooting
Font support: if the symbol does not render, the current font likely lacks this codepoint. Choose a font with broad Unicode coverage or allow a fallback font.
Web pages: ensure your CSS font stack includes a general fallback; avoid relying on images for common symbols to preserve accessibility and copyability.