Digit 4 drawn with seven-segment display strokes, like a digital clock or calculator numeral; from legacy computing.
U+1FBF3SEGMENTED DIGIT THREEU+1FBF5SEGMENTED DIGIT FIVEU+1FBF2SEGMENTED DIGIT TWOU+1FBF6SEGMENTED DIGIT SIXU+1FBF1SEGMENTED DIGIT ONEU+1FBF7SEGMENTED DIGIT SEVENU+1FBF0SEGMENTED DIGIT ZEROU+1FBF8SEGMENTED DIGIT EIGHTU+1FBEFTOP LEFT JUSTIFIED LOWER RIGHT QUARTER BLACK CIRCLEU+1FBF9SEGMENTED DIGIT NINEU+1FBEEBOTTOM RIGHT JUSTIFIED UPPER LEFT QUARTER BLACK CIRCLEU+1FBFAALARM BELL SYMBOL250 characters in the Symbols for Legacy Computing Unicode block, from number 244.