Roman Numerals / 30

30 in Roman Numerals

XXX

30 = XXX (10). That's XXX, purely additive. 30 splits into 3 tens (XXX), together forming XXX. One below 30 is XXIX (29); one above is XXXI (31). XXX hits the 3-repeat cap with XXX, for 30. 30: 2 Arabic digits, 3 Roman symbols, for 30. In binary, 30 is 11110, 5 bits long for 30.