U+FFA1 "ᄀ" Halfwidth Hangul Letter Kiyeok Unicode Character

Unicode Version 17.0

U+FFA1 "ᄀ" Halfwidth Hangul Letter Kiyeok is a typographic variant of the Korean consonant "ㄱ", representing the initial sound "g" or "k" in the Hangul writing system, but it is encoded in a halfwidth form that takes up only half the horizontal space of a standard fullwidth character. This halfwidth format originates from legacy East Asian character encoding standards, particularly designed for compatibility with older computer systems and terminal displays where characters were arranged in a fixed grid, allowing for more compact text in applications like teletext or early digital communications. While rarely used in modern Korean typography due to the prevalence of fullwidth Hangul, the character serves as a historical artifact for processing or converting text from older systems that employed such narrow representations.

General Properties

Code Point U+FFA1
Version Added 1.1
Name Halfwidth Hangul Letter Kiyeok
Unicode 1.0 Name Halfwidth Hangul Letter Giyeog
Block Halfwidth and Fullwidth Forms
General Category Other Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Narrow
Decomposition Mapping "ㄱ" U+3131 Hangul Letter Kiyeok

Encodings

HTML Decimal Encoding ᄀ
HTML Hex Encoding ᄀ
UTF-8 Encoding 0xEF 0xBE 0xA1
UTF-16 Encoding 0xFFA1
UTF-32 Encoding 0x0000FFA1
C/C++/Java Escape \uffa1

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Ideographic
East Asian Width Halfwidth
Changes When NFKC Casefolded Yes
NFKC Casefold "ᄀ" U+1100 Hangul Choseong Kiyeok
NFKC Simple Casefold "ᄀ" U+1100 Hangul Choseong Kiyeok
Script Hangul
Script Extensions Hangul
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break OLetter