It is LXXXVII
It is: 87 = LXXXVII
87
CX
It is: 200 = CC
MMXII in Roman nuerals is the same as 2012
LXXXVII
1000 in roman numerals = M
xxvi-x-mmiv
10,000 (in US) is numerical for your question. It is different from Roman numerals.
XXVII is the number 27 in roman numerical. XX is 20 and adding XVII is 7.
The atomic number of francium is 87.
In Roman numerals the numerical value is 3000
87 = LXXXVII