Roman Numerals / 5

5 in Roman Numerals

V

5 = V (5). That's V, purely additive. 5 splits into 5 (V), together forming V. One below 5 is IV (4); one above is VI (6). At 1 symbol, V is compact for 5. 5: 1 Arabic digit, 1 Roman symbol, for 5. In binary, 5 is 101, 3 bits long for 5.