45,045/Historical Note

Historical Note on $45 \, 045$ (Forty-Five Thousand and Five)

$45 \, 045$ was the first odd abundant number discovered.

It was Charles de Bouvelles who made that discovery.


Sources

  • 1919: Leonard Eugene Dickson: History of the Theory of Numbers: Volume $\text { I }$
  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $45,045$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $45,045$
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