U+1A91 "᪑" Tai Tham Tham Digit One Unicode Character

Unicode Version 17.0

U+1A91 "᪑" Tai Tham Tham Digit One is a numerical symbol used in the Tai Tham script, which is historically employed for writing languages such as Northern Thai (Kam Mueang), Tai Lü, and Khün, primarily in regions of Northern Thailand, Laos, Myanmar, and Yunnan, China. This digit represents the number one and belongs to a set of decimal digits that follow a distinct calligraphic style different from standard Thai or Arabic numerals. The character is encoded in the Unicode Tai Tham block, ensuring its preservation and digital representation for scholarly, liturgical, and cultural contexts where the script remains active. Its form derives from the Brahmic family of scripts, sharing visual similarities with other Southeast Asian numeral systems while maintaining unique local characteristics.

General Properties

Code Point U+1A91
Version Added 5.2
Name Tai Tham Tham Digit One
Block Tai Tham
General Category Decimal Number
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right

Encodings

HTML Decimal Encoding ᪑
HTML Hex Encoding ᪑
UTF-8 Encoding 0xE1 0xAA 0x91
UTF-16 Encoding 0x1A91
UTF-32 Encoding 0x00001A91
C/C++/Java Escape \u1a91

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type Decimal
Numeric Value 1
Line Break Numeric
Script Tai Tham
Script Extensions Tai Tham
Indic Syllabic Category Number
ID Continue Yes
XID Continue Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Numeric
Sentence Break Numeric