U+F907 "龜" CJK Compatibility Ideograph-# Unicode Character

U+F907 "龜" CJK Compatibility Ideograph-# is a compatibility ideograph that represents a simplified or variant form of the CJK unified ideograph for "turtle" (U+4E80 龟). It belongs to the CJK Compatibility Ideographs block, which was primarily designed to support round trip conversion between older character encodings and Unicode without losing information. As a compatibility character, U+F907 is not recommended for general use in modern text; instead, it functions as a legacy encoding artifact, preserving the specific glyph from a source standard where alternative representations were required. Its inclusion ensures that text originally encoded in formats like CNS 11643 or other pre-Unicode systems can be accurately represented in Unicode, though it is distinct from and considered less standard than its unified counterpart.

General Properties

Code Point	U+F907
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	"龜" U+9F9C CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	龜
HTML Hex Encoding	龜
UTF-8 Encoding	0xEF 0xA4 0x87
UTF-16 Encoding	0xF907
UTF-32 Encoding	0x0000F907
C/C++/Java Escape	\uf907

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	"龜" U+9F9C CJK Unified Ideograph-#
NFKC Simple Casefold	"龜" U+9F9C 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

kCangjie	HXU
kCihaiT	1577.501
kCompatibilityVariant	U+9F9C
kDefinition	turtle or tortoise; cuckold
kHangul	귀:0
kIRG_HSource	H-8BF8
kIRG_KSource	K0-5022
kKorean	KWI
kRSUnicode	213.0
kTotalStrokes	16
kUnihanCore2020	H