2,ooo.
http://wiki.answers.com/Q/What_is_MM_in_Roman_nume...

MM in Roman numerals is equal to the number 2000.
http://www.chacha.com/question/whatismminroman...

The ancient Romans developed Roman numeral as a system for counting. In this system, V was equal to or symbolized the number 5, while X was equal to 10. The symbol used for the number
http://answers.ask.com/Science/Mathematics/what_is...

1. Understand that the Roman numerals I, V, X, L, C, D and M represent the values 1, 5, 10, 50, 100, 500 and 1,000, respectively. 2. Add the two numerals together if a numeral is
http://www.ehow.com/how_4467_convertromannumeral...
