U+2166 "Ⅶ" Roman Numeral Seven Unicode Character

Unicode Version 17.0

U+2166 "Ⅶ" Roman Numeral Seven is a precomposed glyph representing the number seven in the Roman numeral system, formed by the combination of V for five and I for one repeated twice. It belongs to the Number Forms block in Unicode, specifically designed to ensure consistent typographic representation of Roman numerals in digital text, distinguishing it from simply using the capital letters V and I separately. This character is commonly used in contexts such as clock faces, book chapters, lists, and outlines where traditional Roman numeral formatting is desired, allowing for precise alignment and stylistic uniformity across different fonts and platforms.

General Properties

Code Point U+2166
Version Added 1.1
Name Roman Numeral Seven
Block Number Forms
General Category Letter Number
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Compat
Decomposition Mapping "V" U+0056 Latin Capital Letter V
"I" U+0049 Latin Capital Letter I
"I" U+0049 Latin Capital Letter I

Encodings

HTML Decimal Encoding Ⅶ
HTML Hex Encoding Ⅶ
UTF-8 Encoding 0xE2 0x85 0xA6
UTF-16 Encoding 0x2166
UTF-32 Encoding 0x00002166
C/C++/Java Escape \u2166

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type Numeric
Numeric Value 7
Line Break Ambiguous (Alphabetic or Ideographic)
East Asian Width Ambiguous
Uppercase Yes
Other Uppercase Yes
Simple Lowercase Code Point "ⅶ" U+2176 Small Roman Numeral Seven
Lowercase Code Point "ⅶ" U+2176 Small Roman Numeral Seven
Simple Case Folding "ⅶ" U+2176 Small Roman Numeral Seven
Case Folding "ⅶ" U+2176 Small Roman Numeral Seven
Cased Yes
Changes When Casefolded Yes
Changes When Casemapped Yes
Changes When Lowercased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "v" U+0076 Latin Small Letter V
"i" U+0069 Latin Small Letter I
"i" U+0069 Latin Small Letter I
NFKC Simple Casefold "v" U+0076 Latin Small Letter V
"i" U+0069 Latin Small Letter I
"i" U+0069 Latin Small Letter I
Script Latin
Script Extensions Latin
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Vertical Orientation Upright
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Upper