U+F9E0 "易" CJK Compatibility Ideograph-# Unicode Character

U+F9E0 "易" CJK Compatibility Ideograph-# is a compatibility ideograph derived from the original CJK Unified Ideograph U+8166, which corresponds to the Chinese character meaning “brain” or “mind.” This specific code point exists in the CJK Compatibility Ideographs block, a collection of characters included in Unicode primarily to preserve roundtrip fidelity with older East Asian character encoding standards, such as those used in legacy databases or document formats. Although visually identical or very similar to its unified counterpart, the compatibility character is now generally discouraged for modern use, as it can cause text processing issues and is typically replaced by the standard unified ideograph in contemporary digital text.

General Properties

Code Point	U+F9E0
Version Added	1.1
Name	CJK Compatibility Ideograph-#
Block	CJK Compatibility Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"易" U+6613 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	易
HTML Hex Encoding	易
UTF-8 Encoding	0xEF 0xA7 0xA0
UTF-16 Encoding	0xF9E0
UTF-32 Encoding	0x0000F9E0
C/C++/Java Escape	\uf9e0

Unicode Properties

Full Composition Exclusion	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"易" U+6613 CJK Unified Ideograph-#
NFKC Simple Casefold	"易" U+6613 CJK Unified Ideograph-#
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes

Unihan Properties

kCompatibilityVariant	U+6613
kDefinition	change; easy
kHangul	이:0
kIRG_KSource	K0-6C2F
kKorean	I
kRSUnicode	72.4
kTotalStrokes	8