Properties of 5,559,060,566,555,523/Historical Note
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Historical Note on Properties of $5 \, 559 \, 060 \, 566 \, 555 \, 523$
David Wells reports in his Curious and Interesting Numbers, 2nd ed. of $1997$ that this result is attributed to David Roberts, but no details are given.
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $5,559,060,566,555,523$