Penholodigital Product of Penholodigital Set of Factors

Observation

$164 \, 597 \, 832 = 6 \times 7 \times 9 \times 524 \times 831$

Both sides are penholodigital.

Historical Note

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): $164,597,832$