What 𮐉 means
𮐉 is the cjk unified ideograph-2e409. Unicode classifies it as a letter and files it in the CJK Unified Ideographs Extension F block; this site shelves it under Chinese, Japanese & Korean.
Its appearance depends on the font and text styling.
How it is encoded
𮐉 is a single code point, U+2E409. In HTML that is 𮐉, and in CSS \2E409.
Questions people ask
1Why does 𮐉 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type 𮐉
Windows (Word)
Alt+XType 2E409, then Alt+X to get 𮐉.
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 “cjk unified ideograph-2e409”.
Linux
Ctrl+Shift+UType 2e409, then Enter or Space.
HTML
𮐉CSS
\2E409Codes and encoding1 code points
HTML decimal
𮐉
HTML hex
𮐉
CSS content
content: "\2E409";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%AE%90%89
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.