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.
Why base-16 is called hex. chrisname (7398). Though the behaviour is considered bad practice when done to excess, programmers sometimes need to embed constants in their programs. These magic numbers were historically written in base-16, and the tradition has lasted to this very day.A hex is a magical spell, so magic numbers, when written in base-16, are therefore  hex numbers. Hex was later combined with the word decimal to indicate that it was a numeric base, hence hexadecimal.Later, the Greeks used the words heks and deka to mean six and ten respectively (from hex a dec imal and because base- 16 = 6 + 10).ex was later combined with the word decimal to indicate that it was a numeric base, hence hexadecimal. Later, the Greeks used the words heks and deka to mean six and ten respectively (from hex a dec imal and because base- 16 = 6 + 10).