Roman Numeral Reversed One Hundred

Part of Math Symbols

Roman Numeral Reversed One Hundred has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
Ↄ
Unicode
U+2183

About this symbol

Ↄ, a reversed C, is used in Roman numerals such as CIↃ, 1,000, and IↃ, 500. A reversed C of the same shape was also one of the three letters the emperor Claudius added to Latin, the antisigma, possibly for the ps sound.

Unicode facts

Official name
ROMAN NUMERAL REVERSED ONE HUNDRED
Also called
Apostrophic C, Claudian antisigma
Type
Uppercase letter
Unicode block
Number Forms
Unicode group
Archaic Roman numerals
Added in
Unicode 3.0 (1999)
Small form
ↄ Latin Small Letter Reversed C U+2184
Unicode notes
  • Used in combination with C and I to form large numbers
  • Lowercase is 2184
Related
Ɔ Latin Capital Letter Open O U+0186
Ͻ Greek Capital Reversed Lunate Sigma Symbol U+03FD

Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.

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