Digit 1 drawn with seven-segment display strokes, like a digital clock or calculator numeral; from legacy computing.
U+1FBF0SEGMENTED DIGIT ZEROU+1FBF2SEGMENTED DIGIT TWOU+1FBEFTOP LEFT JUSTIFIED LOWER RIGHT QUARTER BLACK CIRCLEU+1FBF3SEGMENTED DIGIT THREEU+1FBEEBOTTOM RIGHT JUSTIFIED UPPER LEFT QUARTER BLACK CIRCLEU+1FBF4SEGMENTED DIGIT FOURU+1FBEDBOTTOM LEFT JUSTIFIED UPPER RIGHT QUARTER BLACK CIRCLEU+1FBF5SEGMENTED DIGIT FIVEU+1FBECTOP RIGHT JUSTIFIED LOWER LEFT QUARTER BLACK CIRCLEU+1FBF6SEGMENTED DIGIT SIXU+1FBEBLEFT JUSTIFIED RIGHT HALF BLACK CIRCLEU+1FBF7SEGMENTED DIGIT SEVEN250 characters in the Symbols for Legacy Computing Unicode block, from number 241.