Roman Numerals / 17

17 in Roman Numerals

XVII

17 = X (10), V (5), II (1). That's XVII, purely additive. 17 splits into 1 ten (X), 7 (VII), together forming XVII. One below 17 is XVI (16); one above is XVIII (18). XVII runs 4 symbols with 3 value-chunks, reaching 17. 17: 2 Arabic digits, 4 Roman symbols, for 17. In binary, 17 is 10001, 5 bits long for 17.