From Wikipedia, the free encyclopedia.
One thousand (1000) is a natural number.
In scientific notation, it is written as 103. The standard prefix for a thousand is "kilo-".
The Roman numeral for thousand is M (for mille).
See also: millennium
;1000 - One thousand
;1001 - One thousand one
;1002 - One thousand two
;1729 - One thousand seven hundred twenty-nine
Numbers in the thousands (1000-1999)

