U+F951 "陋" CJK Compatibility Ideograph-# Unicode Character

U+F951 "陋" CJK Compatibility Ideograph-# is a special character within the Unicode standard’s CJK Compatibility Ideographs block, which was primarily designed to preserve round trip compatibility with older East Asian character encoding standards. This specific ideograph corresponds to the CJK Unified Ideograph U+91D1, representing the Chinese character for "gold" or "metal" (金), but it is encoded in the compatibility block to ensure that text converted from legacy systems retains its original appearance and structure without being automatically unified with the standard character. While visually identical to its unified counterpart, U+F951 serves a technical purpose rather than a linguistic one, acting as a mapping placeholder that helps maintain fidelity in document interchange between different encoding environments.

General Properties

Code Point	U+F951
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	"陋" U+964B CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	陋
HTML Hex Encoding	陋
UTF-8 Encoding	0xEF 0xA5 0x91
UTF-16 Encoding	0xF951
UTF-32 Encoding	0x0000F951
C/C++/Java Escape	\uf951

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	"陋" U+964B CJK Unified Ideograph-#
NFKC Simple Casefold	"陋" U+964B 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+964B
kDefinition	narrow; crude, coarse; ugly
kHangul	누:0
kIRG_KSource	K0-526B
kKorean	NWU
kRSUnicode	170.6
kTotalStrokes	9