Skip to content
Free forever, no sign up

U+22D1 · Mathematical Operators

Double Superset ⋑

Double Superset is the Unicode character U+22D1 (official name “DOUBLE SUPERSET”) from the Mathematical Operators block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+22D1
HTML⋑
⋑U+22D1

Character codes

Unicode code pointU+22D1
Decimal8913
HTML named entity⋑
HTML (hex)⋑
HTML (decimal)⋑
CSS\22D1
JavaScript\u22D1
Python\u22D1
UTF-8 bytesE2 8B 91
UTF-1622D1
URL-encoded%E2%8B%91

Character details

Official nameDOUBLE SUPERSET
Unicode blockMathematical Operators
General categoryMath Symbol (Sm)
SymbolHero categoryMath Symbols
EmojiNo

How to type ⋑

Windows

  • In Microsoft Word or Outlook: type 22D1 then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “double superset”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “double superset”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 22D1.

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 → Special characters, then search “double superset” or enter U+22D1.
  • HTML: ⋑ or ⋑
  • Excel / Google Sheets: =UNICHAR(8913)

Similar math symbols

Dot Operator
Star Operator
Division Times
Bowtie
Left Normal Factor Semidirect Product
Right Normal Factor Semidirect Product
Left Semidirect Product
Right Semidirect Product
Reversed Tilde Equals
Curly Logical or
Curly Logical and
Double Subset
Double Intersection
Double Union
Pitchfork
Equal and Parallel to
Less-Than with Dot
Greater-Than with Dot
Very Much Less-Than
Very Much Greater-Than
Less-Than Equal to or Greater-Than
Greater-Than Equal to or Less-Than
Equal to or Less-Than
Equal to or Greater-Than

See all 714 math symbols →

Questions

What is the Unicode for ⋑?

It is U+22D1 (DOUBLE SUPERSET), decimal 8913.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 22D1 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 “double superset”, or copy it from this page.

What is the HTML code?

Use the named entity ⋑ or the numeric reference ⋑.