Binary, hexadecimal, and octal refer to different number systems. These number systems refer to the number of symbols used to represent numbers.
For example, this sentence has 2 periods on the end..
When we run out of symbols, we go to the next digit placement.
To represent one higher than 9, we use 10 meaning one unit of ten and zero units of one.
This may seem elementary, but it is crucial to understand our default number system if you want to understand other number systems.
But in hexadecimal math, the columns stand for multiples of sixteen!
That is, the first column stands for how many units you have, the second column stands for how many sixteens, the third column stands for how many two hundred fifty-sixes (sixteen-times-sixteens), and so forth.. That is, counting in hexadecimal, the sixteen "numerals" are: From the long division, I can see that the hexadecimal number will have a "fifteen" in the sixteen-cubeds column, a "nine" in the sixteen-squareds column, an "eleven" in the sixteens column, and a "thirteen" in the ones column.
To do this, we would need single solitary digits that stand for the values of "ten", "eleven", "twelve", "thirteen", "fourteen", and "fifteen". But I cannot write the hexadecimal number as "If you work on web pages and graphics programs, you may find it helpful to convert between the RGB values (for an image in your graphics program) and the hexadecimal values (for a matching background color on the web page)..
These values may be converted to hexadecimal values between 00 and FF.
If you list the RGB components of a color as a string of three numbers, you might get, say, R:204, G:51, B:255, which translates into a light-purplishin your graphics program.