Penholodigital Product of Penholodigital Set of Factors/Historical Note
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Historical Note on Penholodigital Product of Penholodigital Set of Factors
According to David Wells in his $1997$ work Curious and Interesting Numbers, 2nd ed., this factoid appeared in Computer Weekly in the issue dated $25$ January $1996$, reported by a writer named Havard, but this has not been corroborated.
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $164,597,832$