1,000
like Km is Kilometre = 1,000 metres
I is the number 1 in Roman numerals.
Capital K = kelvin, a unit of temperature 0 K = absolute zero = -273 degrees Celsius Lower-case k = kilo, a prefix meaning 1000 k = kilo = 1000 kilometer = 1000 meters kilogram = 1000 grams kilobyte = 1000 bytes etc....
CLIX is the number 159 in Roman numerals.
XIII is the number 13 in Roman numerals.
XX is the number 20 in Roman numerals.
L is the number 50 in Roman numerals.
The number 2010 in Roman numerals is MMX
96
One
1979
161
This is number 208