U+1D7E3 "𝟣" Mathematical Sans-Serif Digit One Unicode Character

Unicode Version 17.0

𝟣

U+1D7E3 "𝟣" Mathematical Sans-Serif Digit One is a code point in the Unicode standard that represents the numeral "1" in a sans-serif typeface, intended specifically for use in mathematical and scientific contexts where consistent, stylized digits are needed to maintain clarity and avoid confusion with similar-looking characters like the lowercase letter "l" or uppercase "I". It belongs to the "Mathematical Alphanumeric Symbols" block, which provides a set of letters and digits in various styles, such as bold, italic, and sans-serif, that are distinct from ordinary text characters. This digit is often employed in technical documents, equations, or programming notations to ensure unambiguous representation of numerical values within a sans-serif font family.

General Properties

Code Point U+1D7E3
Version Added 3.1
Name Mathematical Sans-Serif Digit One
Block Mathematical Alphanumeric Symbols
General Category Decimal Number
Canonical Combining Class Not Reordered
Bidirectional Class European Number
Decomposition Type Font
Decomposition Mapping "1" U+0031 Digit One

Encodings

HTML Decimal Encoding 𝟣
HTML Hex Encoding 𝟣
UTF-8 Encoding 0xF0 0x9D 0x9F 0xA3
UTF-16 Encoding 0xD835 0xDFE3
UTF-32 Encoding 0x0001D7E3
C/C++/Java Escape \ud835\udfe3

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type Decimal
Numeric Value 1
Line Break Numeric
Changes When NFKC Casefolded Yes
NFKC Casefold "1" U+0031 Digit One
NFKC Simple Casefold "1" U+0031 Digit One
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