U+1D6CA "𝛊" Mathematical Bold Small Iota Unicode Character

U+1D6CA "𝛊" Mathematical Bold Small Iota is a typographic glyph used in mathematical and scientific notation to represent the Greek letter iota in a bold typeface, which helps it stand out from surrounding text in equations and technical documents. It belongs to the Mathematical Alphanumeric Symbols block, a part of the Unicode standard designed to provide distinct, style-specific versions of letters and symbols for clear communication in mathematical contexts, preventing confusion with ordinary alphabetic characters. This particular character is encoded for use in areas such as advanced calculus, set theory, and physics, where bold symbols often denote vectors, indices, or special constants.

General Properties

Code Point	U+1D6CA
Version Added	3.1
Name	Mathematical Bold Small Iota
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"ι" U+03B9 Greek Small Letter Iota

Encodings

HTML Decimal Encoding	𝛊
HTML Hex Encoding	𝛊
UTF-8 Encoding	0xF0 0x9D 0x9B 0x8A
UTF-16 Encoding	0xD835 0xDECA
UTF-32 Encoding	0x0001D6CA
C/C++/Java Escape	\ud835\udeca

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ι" U+03B9 Greek Small Letter Iota
NFKC Simple Casefold	"ι" U+03B9 Greek Small Letter Iota
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	Lower