c# - convert number to combination of letters -

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i need convert number between 1 , 6000000 letter combination abcde. less letters better. i'm guessing need 4 or 5.

can point me in right direction how write algorithm convert numbers letters , back? a-z. (caps).

you need convert base-26 numbering: 0 a, 1 b, 25 z, 26 ba, etc.

the hexavigesimal wikipedia article has code conversion base 26.


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