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U+1D40E Β· Mathematical Alphanumeric Symbols

Mathematical Bold Capital O 𝐎

Mathematical Bold Capital O is the Unicode character U+1D40E (official name β€œMATHEMATICAL BOLD CAPITAL O”) from the Mathematical Alphanumeric Symbols block. It belongs to SymbolHero’s fancy letters (math alphanumeric) collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+1D40E
HTML𝐎
𝐎U+1D40E

Character codes

Unicode code pointU+1D40E
Decimal119822
HTML (hex)𝐎
HTML (decimal)𝐎
CSS\1D40E
JavaScript\u{1D40E} or "\uD835\uDC0E"
Python\U0001D40E
UTF-8 bytesF0 9D 90 8E
UTF-16D835 DC0E
URL-encoded%F0%9D%90%8E

Character details

Official nameMATHEMATICAL BOLD CAPITAL O
Unicode blockMathematical Alphanumeric Symbols
General categoryUppercase Letter (Lu)
SymbolHero categoryFancy Letters (Math Alphanumeric)
Decomposition<font> U+004F
EmojiNo

How to type 𝐎

Windows

  • In Microsoft Word or Outlook: type 1D40E then press Alt + X.

Mac

  • Press Control + Command + Space to open the Character Viewer, search β€œmathematical bold capital o”, and double-click the result.

iPhone & Android

  • Tap Copy at the top of this page, then long-press where you want it and choose Paste.

Docs & web

  • Google Docs: Insert β†’ Special characters, then search β€œmathematical bold capital o” or enter U+1D40E.
  • HTML: 𝐎
  • Excel / Google Sheets: =UNICHAR(119822)

Questions

What is the Unicode for 𝐎?

It is U+1D40E (MATHEMATICAL BOLD CAPITAL O), decimal 119822.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 1D40E then Alt+X, or copy it from this page.

How do I type it on a Mac?

There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search β€œmathematical bold capital o”, or copy it from this page.

What is the HTML code?

Use the numeric reference 𝐎 (or 𝐎). There is no named entity.