For the same reason that five million in English doesn't have an s.
On the other hand the English "there are thousands of them" translates to french as
"il y en a des milles"
Mille huit cent trente-quatre.
Years are spelled differently in French, compared to English. One doesn't say nineteen - ninety nine for 1999, but 'one thousand nine hundred ninety-nine' (mille neuf cent quatre vingt dix neuf. - just as if it was a number or a quantity of something. 1604: mille six cent quatre 1962: mille neuf cent soixante deux 2000: deux mille 2010: deux mille dix
2010 (the number or the year) -- deux mille dix -- "duh meel deess"
l'année mille neuf cent trente neuf
neuf cent quatre vingt dix neuf mille neuf cent quatre vingt dix neuf"
Une mille
"10000" in French is said as "dix mille."
quinze mille
2002 is spelled "deux mille deux" in French.
N. W. Creighton has written: 'Mille et un points' -- subject(s): French language, Grammar 'Mille et un points' -- subject(s): French language, Grammar
In French, you would say 9000 as "neuf mille."
deux mille six
deux mille dix neuf
deux mille onze
In French, 2014 is pronounced "deux mille quatorze."
800 000 is "huit cent mille" in French.
"deux mille un"