Roman Numerals / 23

23 in Roman Numerals

XXIII

23 = XX (10), III (1). That's XXIII, purely additive. 23 splits into 2 tens (XX), 3 (III), together forming XXIII. One below 23 is XXII (22); one above is XXIV (24). XXIII hits the 3-repeat cap with III, for 23. 23: 2 Arabic digits, 5 Roman symbols, for 23. In binary, 23 is 10111, 5 bits long for 23.