U+1A91 TAI THAM THAM DIGIT ONE

The Unicode character U+1A91, officially named TAI THAM THAM DIGIT ONE, was introduced in Unicode version 5.2. It is part of the Tai Tham block, which belongs to the Basic Multilingual plane.

Categorized technically as a Decimal Number, this character typically falls under the Lana script. In terms of text layout and rendering, the glyph is not a composition and has no designated width in East Asian typography. When placed in bidirectional text, it behaves as an Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.