U+1D41E "𝐞" Mathematical Bold Small E Unicode Character

U+1D41E "𝐞" Mathematical Bold Small E is a typographic symbol representing the lowercase letter 'e' in a bold style, specifically designed for mathematical and scientific notation. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letter forms to denote variables, vectors, or constants in formal writing without reliance on font styling. This character is used to ensure clarity in contexts where standard bold formatting might be lost, such as in plain text documents, programming environments, or cross-platform communications. Its appearance resembles an upright, thickened version of the regular small 'e', making it distinct from both italicized and regular mathematical letters.

General Properties

Code Point	U+1D41E
Version Added	3.1
Name	Mathematical Bold 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 0x90 0x9E
UTF-16 Encoding	0xD835 0xDC1E
UTF-32 Encoding	0x0001D41E
C/C++/Java Escape	\ud835\udc1e

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