1.000 may represent either: *the number

1000 1000 or thousand may refer to: * 1000 (number), a natural number * AD 1000, a leap year in the Julian calendar * 1000 BC, a year of the Before Christ era * 1000 metres, a middle-distance running event * 1000°, a German electronic dance music maga ...

(the point being a

thousands separator alt=Four types of separating decimals: a) 1,234.56. b) 1.234,56. c) 1'234,56. d) ١٬٢٣٤٫٥٦., Both a full_stop.html" ;"title="comma and a full stop">comma and a full stop (or period) are generally accepted decimal separators for interna ...

, as common in many European countries) *the number 1 known to four

significant figures Significant figures, also referred to as significant digits, are specific digits within a number that is written in positional notation that carry both reliability and necessity in conveying a particular quantity. When presenting the outcom ...

, i.e. 1±0.0005 (here the dot is a

decimal separator FIle:Decimal separators.svg, alt=Four types of separating decimals: a) 1,234.56. b) 1.234,56. c) 1'234,56. d) ١٬٢٣٤٫٥٦., Both a comma and a full stop (or period) are generally accepted decimal separators for international use. The apost ...

, as commonly used in much of the English-speaking world)

See also