U+1D7D6 "𝟖" Mathematical Bold Digit Eight Unicode Character

U+1D7D6 "𝟖" Mathematical Bold Digit Eight is a stylized version of the numeral eight, designed for use in mathematical and scientific contexts where a bold typeface is needed to distinguish digits from surrounding text or to indicate a vector or matrix element. This character belongs to the Mathematical Alphanumeric Symbols block, which was added to Unicode to provide distinct glyphs for mathematical notation, avoiding reliance on font formatting alone. It is commonly used in technical documents, equations, and computer algebra systems to ensure clarity and consistency when representing numeric values in bold print, complementing its light and italic counterparts in the same character set.

General Properties

Code Point	U+1D7D6
Version Added	3.1
Name	Mathematical Bold Digit Eight
Block	Mathematical Alphanumeric Symbols
General Category	Decimal Number
Canonical Combining Class	Not Reordered
Bidirectional Class	European Number
Decomposition Type	Font
Decomposition Mapping	"8" U+0038 Digit Eight

Encodings

HTML Decimal Encoding	𝟖
HTML Hex Encoding	𝟖
UTF-8 Encoding	0xF0 0x9D 0x9F 0x96
UTF-16 Encoding	0xD835 0xDFD6
UTF-32 Encoding	0x0001D7D6
C/C++/Java Escape	\ud835\udfd6

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Decimal
Numeric Value	8
Line Break	Numeric
Changes When NFKC Casefolded	Yes
NFKC Casefold	"8" U+0038 Digit Eight
NFKC Simple Casefold	"8" U+0038 Digit Eight
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