Four is magic: Difference between revisions

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You can choose to use a library, (module, external routine, whatever) to do the cardinal conversions as long as the code is easily and freely available to the public.
 
If you roll your own, make the routine accept at minimum any integer from 0 up to 999999. If you use a pre-made library, support at least up to unsigned 64 bit integers. (or the largest integer supported in your language if it is less.)
 
Four is magic is a popular code-golf task. '''This is not code golf.''' Write legible, idiomatic and well formatted code.<BR>
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