About DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT ONE
Dingbat Negative Circled Sans-serif Digit One (U+278A) is a Unicode other number from the Dingbats block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class ON (other neutrals), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ➊ or ➊.