U+1D7D4 "𝟔" Mathematical Bold Digit Six Unicode Character

Unicode Version 17.0

𝟔

U+1D7D4 "𝟔" Mathematical Bold Digit Six is a numeric glyph belonging to the Mathematical Alphanumeric Symbols block, designed specifically for use in mathematical and scientific notation where bold typeface helps distinguish variables or constants from surrounding text. It represents the digit six in a bold style, mirroring the typographic convention of boldface in print mathematics to indicate vectors, matrices, or other special numerical values. This character complements a full set of bold digits from zero to nine, enabling consistent formatting in digital documents without relying on font styling changes. Its inclusion in Unicode ensures that this mathematical digit retains its intended appearance and semantic meaning across different platforms and software applications.

General Properties

Code Point U+1D7D4
Version Added 3.1
Name Mathematical Bold Digit Six
Block Mathematical Alphanumeric Symbols
General Category Decimal Number
Canonical Combining Class Not Reordered
Bidirectional Class European Number
Decomposition Type Font
Decomposition Mapping "6" U+0036 Digit Six

Encodings

HTML Decimal Encoding 𝟔
HTML Hex Encoding 𝟔
UTF-8 Encoding 0xF0 0x9D 0x9F 0x94
UTF-16 Encoding 0xD835 0xDFD4
UTF-32 Encoding 0x0001D7D4
C/C++/Java Escape \ud835\udfd4

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type Decimal
Numeric Value 6
Line Break Numeric
Changes When NFKC Casefolded Yes
NFKC Casefold "6" U+0036 Digit Six
NFKC Simple Casefold "6" U+0036 Digit Six
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