Columbia City, Indiana. Columbia City is a city in Columbia Township, Whitley County, in the U.S. state of Indiana. The population was 8,750 at the 2010 census. The city is the county seat of Whitley County.
Hence, hex digits are 0,1,2,3,4,5,6,7,8 and 9 A, B, C, D, E, F. This number system is the most commonly used in mathematics and information technologies. I.e. in html programming colors can be represented by a 6-digit hexadecimal number: FFFFFF represents white, 000000 represents black, and so on.
Computers store text as numbers, and with hex you display the numbers not as a decimal number, but in base 16. Hex or base 16 or hexadecimal is a numeral system that uses 16 symbols. The symbols include 0-9 and a-f (sometimes A-F). An example of a hexadecimal number is 3BF2.