U+1D7EB "𝟫" Mathematical Sans-Serif Digit Nine Unicode Character

Unicode Version 17.0

𝟫

U+1D7EB "𝟫" Mathematical Sans-Serif Digit Nine is a numeric glyph designed for use in mathematical and scientific typesetting where a sans-serif style is preferred for clarity or to distinguish it from standard text, such as in variables, equations, and notation within dedicated mathematical fonts. It is part of the Mathematical Alphanumeric Symbols block (U+1D400 to U+1D7FF), which provides a wide range of alphabetic and numeric characters in various styles, including bold, italic, and script forms, to prevent confusion with ordinary letters and digits. This specific digit visually represents the number nine but with a clean, unadorned sans-serif appearance that lacks the decorative strokes of serif typefaces, making it particularly useful in digital contexts like computer algebra systems, academic papers, and technical documentation. Its encoding ensures precise representation across different platforms and software that support Unicode.

General Properties

Code Point U+1D7EB
Version Added 3.1
Name Mathematical Sans-Serif Digit Nine
Block Mathematical Alphanumeric Symbols
General Category Decimal Number
Canonical Combining Class Not Reordered
Bidirectional Class European Number
Decomposition Type Font
Decomposition Mapping "9" U+0039 Digit Nine

Encodings

HTML Decimal Encoding 𝟫
HTML Hex Encoding 𝟫
UTF-8 Encoding 0xF0 0x9D 0x9F 0xAB
UTF-16 Encoding 0xD835 0xDFEB
UTF-32 Encoding 0x0001D7EB
C/C++/Java Escape \ud835\udfeb

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type Decimal
Numeric Value 9
Line Break Numeric
Changes When NFKC Casefolded Yes
NFKC Casefold "9" U+0039 Digit Nine
NFKC Simple Casefold "9" U+0039 Digit Nine
Script Common
Script Extensions Common
Indic Syllabic Category Other
ID Continue Yes
XID Continue Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Numeric
Sentence Break Numeric