What 𝟕 means
It is the mathematical style of the number seven.
Unicode, the shared standard for digital text, expanded an older set of math-shaped characters so formulas could preserve type distinctions in plain text. Bold type can distinguish notation; 𝟕 still means seven.
Don't confuse it with
1Questions people ask
1Will every font display 𝟕?
No. The app may need a fallback font; without one, it can show a missing-character box.
How to type 𝟕
Windows (Word)
Alt+XType 1D7D5, then Alt+X to get 𝟕.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “mathematical bold digit seven”.
Linux
Ctrl+Shift+UType 1d7d5, then Enter or Space.
HTML
𝟕CSS
\1D7D5How to type 𝟕 in Word
In Word, as of 2026, enter `1D7D5` and press `Alt+X`.
Codes and encoding1 code points
HTML decimal
𝟕
HTML hex
𝟕
CSS content
content: "\1D7D5";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9D%9F%95
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.