Source: Noto CJK

U+3021 Hangzhou Numeral One

U+3021 was added to Unicode in version 1.1 (1993). It belongs to the block U+3000 to U+303F CJK Symbols and Punctuation in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Letter Number and is mainly used in the Han script. The codepoint has the Numeric value 1.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+3021 behaves as Ideographic regarding line breaks. It has type Other Letter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

The Suzhou numerals, also known as Sūzhōu mǎzi (蘇州碼子), is a numeral system used in China before the introduction of Arabic numerals. The Suzhou numerals are also known as huāmǎ (花碼), cǎomǎ (草碼), jīngzǐmǎ (菁仔碼), fānzǐmǎ (番仔碼) and shāngmǎ (商碼).

Representations

System	Representation
Nº	12321
UTF-8	E3 80 A1
UTF-16	30 21
UTF-32	00 00 30 21
URL-Quoted	%E3%80%A1
HTML hex reference	〡
Wrong windows-1252 Mojibake	ã€¡
Adobe Glyph List	onehangzhou

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	HANGZHOU NUMERAL ONE
Unicode 1 Name	—
Block	CJK Symbols and Punctuation
General Category	Letter Number
Script	Han
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Hangzhou Numeral One
Lowercase	✘
Simple Lowercase Mapping	Hangzhou Numeral One
Lowercase Mapping	Hangzhou Numeral One
Uppercase	✘
Simple Uppercase Mapping	Hangzhou Numeral One
Uppercase Mapping	Hangzhou Numeral One
Simple Titlecase Mapping	Hangzhou Numeral One
Titlecase Mapping	Hangzhou Numeral One
Case Folding	Hangzhou Numeral One
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Hangzhou Numeral One
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✔
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Hangzhou Numeral One
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Hangzhou Numeral One
Bidi Paired Bracket Type	None
East Asian Width	Wide
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Ideographic
Numeric Type	Numeric
Numeric Value	1
Simple Case Folding	Hangzhou Numeral One
Script Extension
Vertical Orientation	U