Los números de 200 a 1.000.000 Cien (Ciento) Doscientos (as) Trescientos (as) Cuatrocientos (as) Quinientos (as) Seiscientos (as) Setecientos (as) Ochocientos (as) Novecientos(as) Mil Un millón Ciento is used in numbers greater than 100 ex. 140 = ciento cuarenta Numbers 200-900 agree in number and gender with the nouns they modify. Un millón is followed by de before nouns.
Los puntos y las comas In Spanish, decimals and commas are used in reverse of the way they are used in English. 1,749 would be written 1.749 in Spanish. 4.5 would be written as 4,5 8,372.95 would be written as 8.372,95 Y “y” is only used between tens and ones, not after hundreds, thousands, or millions