U+278A DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT ONE

The Unicode character U+278A, officially named DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT ONE, was introduced in Unicode version 1.1. It is part of the Dingbats block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as INVERSE CIRCLED SANS-SERIF DIGIT ONE.

Categorized technically as a Other Number, this character typically falls under the Common 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 Other Neutral character. Its visual representation remains not mirrored regardless of the reading direction.