24/Historical Note

Historical Note on $24$ (Twenty-Four)

$24$ occurs frequently as a subdivision of a standard measure:

There are $24$ hours in $1$ day.
There are $24$ scruples in $1$ apothecaries' ounce.
There are $24$ grains in $1$ pennyweight.


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $24$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $24$
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