U+1D6AF "𝚯" Mathematical Bold Capital Theta Unicode Character

U+1D6AF "𝚯" Mathematical Bold Capital Theta is a stylized representation of the Greek letter theta (Θ) in a bold typeface, designed specifically for use in mathematical and scientific notation where a distinct, heavy weight is needed to denote variables, constants, or special functions. It belongs to the "Mathematical Alphanumeric Symbols" block, which provides a wide range of letter forms that are semantically distinct from their plain text counterparts, allowing authors to differentiate between ordinary text and mathematical expressions. This character is primarily intended for equations, formal proofs, and academic works, ensuring that the bold theta is recognized as a mathematical symbol rather than a formatting artifact.

General Properties

Code Point	U+1D6AF
Version Added	3.1
Name	Mathematical Bold Capital Theta
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Θ" U+0398 Greek Capital Letter Theta

Encodings

HTML Decimal Encoding	𝚯
HTML Hex Encoding	𝚯
UTF-8 Encoding	0xF0 0x9D 0x9A 0xAF
UTF-16 Encoding	0xD835 0xDEAF
UTF-32 Encoding	0x0001D6AF
C/C++/Java Escape	\ud835\udeaf

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Uppercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"θ" U+03B8 Greek Small Letter Theta
NFKC Simple Casefold	"θ" U+03B8 Greek Small Letter Theta
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Upper