números, números y más números cien mil doscientos/as mil un millón (de)
SpanishSpanish numbers numbers are not read in hundreds beyond a thousand, after a thousand the numbers are dos mil tres mil, catorce mil, etc. When a number from 200 to 900 is used before a feminine feminine noun, it takes a feminine ending: doscientas chicas, quinientas pesetas. CienCien is used when it precedes a noun or when counting. CientoCiento is used in compound numbers between 100 and 200 (ciento trece, ciento cincuenta, etc.
MilMil is never used with un un and is never used in the plural plural for counting. The plural of millón millón is millones millones, and when followed by a noun, both take the preposition de de: un millón de dólares, dos millones de pesos, etc. In Spain Spain and in most of Latin America, thousands are marked by a period and decimals by a comma: $ 1,000$1.000 $2.50$2,50