9, CM, XC, IX The numerals for 4 ( IV) and 9 ( IX) are written using subtractive notation, where the smaller symbol ( I) is subtracted from the larger one Letter I · Latin numerals · Etruscan numerals · Greek numerals

• 9 romawi
• 9, CM, XC, IX The numerals for 4 ( IV) and 9 ( IX) are written using subtractive