U+1D7D0 "𝟐" Mathematical Bold Digit Two Unicode Character

U+1D7D0 "𝟐" Mathematical Bold Digit Two is part of the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation where a bold style is required to distinguish digits from surrounding text or to convey specific mathematical meanings. This character represents the numeral 2 in a bold typeface, allowing it to be clearly identified as a mathematical symbol rather than a plain text digit, which is particularly useful in contexts such as equations, vector notation, or typesetting of variables and constants. Its inclusion in Unicode ensures consistent rendering across different platforms and fonts, facilitating precise communication in technical documents, academic papers, and digital mathematical content.

General Properties

Code Point	U+1D7D0
Version Added	3.1
Name	Mathematical Bold Digit Two
Block	Mathematical Alphanumeric Symbols
General Category	Decimal Number
Canonical Combining Class	Not Reordered
Bidirectional Class	European Number
Decomposition Type	Font
Decomposition Mapping	"2" U+0032 Digit Two

Encodings

HTML Decimal Encoding	𝟐
HTML Hex Encoding	𝟐
UTF-8 Encoding	0xF0 0x9D 0x9F 0x90
UTF-16 Encoding	0xD835 0xDFD0
UTF-32 Encoding	0x0001D7D0
C/C++/Java Escape	\ud835\udfd0

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Decimal
Numeric Value	2
Line Break	Numeric
Changes When NFKC Casefolded	Yes
NFKC Casefold	"2" U+0032 Digit Two
NFKC Simple Casefold	"2" U+0032 Digit Two
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