We use 0-9,A-Z or base 36, for our reference numbers, for exactly the reason you describe, to get as big a range a possible in just 18 Characters. Our IT director decided to call each one a Ligit which kind of stuck.

---If it doesn't fit use a bigger hammer

In reply to Re: Does AA..ZZ have a name? by vagnerr
in thread Does AA..ZZ have a name? by Cody Pendant

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