U+1D452 "𝑒" Mathematical Italic Small E Unicode Character

U+1D452 "𝑒" Mathematical Italic Small E is a typographic symbol belonging to the Mathematical Alphanumeric Symbols block, designed specifically for use in mathematical and scientific notation where a slanted, italic form of the lowercase letter "e" is needed. It is distinct from the standard Latin small letter e in both its glyph style and its semantic purpose, as it is intended to represent variables, constants, or other mathematical entities in a way that clearly separates them from plain text. This character is particularly useful in word processing, digital publishing, and typesetting systems like LaTeX, where it helps maintain consistency in mathematical expressions without relying on font-based italicization.

General Properties

Code Point	U+1D452
Version Added	3.1
Name	Mathematical Italic Small E
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"e" U+0065 Latin Small Letter E

Encodings

HTML Decimal Encoding	𝑒
HTML Hex Encoding	𝑒
UTF-8 Encoding	0xF0 0x9D 0x91 0x92
UTF-16 Encoding	0xD835 0xDC52
UTF-32 Encoding	0x0001D452
C/C++/Java Escape	\ud835\udc52

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	"e" U+0065 Latin Small Letter E
NFKC Simple Casefold	"e" U+0065 Latin Small Letter E
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