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erikstrand
searching PlanetScale…
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by
erikstrand
4y ago
I think you're looking for a factorial number system [1] and/or Lehmer code [2]. [1] https://en.wikipedia.org/wiki/Factorial_number_system [2] https://en.wikipedia.org/wiki/Lehmer_code
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by
erikstrand
7y ago
For context, in the US there are 15.3 million students enrolled in high school, 3.7 million of which are expected to graduate this year (i.e. a little under a quarter, as one would expect) [1]. So the 2.2 million graduate test takers mentio