Properties of Family of 333,667 and Related Numbers/Mistake

Source Work

1986: David Wells: Curious and Interesting Numbers:

The Dictionary

$333,667$

1997: David Wells: Curious and Interesting Numbers (2nd ed.):

The Dictionary

$333,667$

Mistake

The same author shows other patterns involving the same number: ...

$3,333,366,667 \times 1,111,333 = 371,113,711,137,111$ and so on.

Correction

That multiplication should read:

$3,333,366,667 \times 111,333 = 371,113,711,137,111$

Whether this mistake originates in the source where this result comes from, or whether it was a copying error in Curious and Interesting Numbers, has not been determined.

The original author was H. Grunbaum, writing in volumes $18$ and $21$ of Scripta Mathematica, which have not been inspected by $\mathsf{Pr} \infty \mathsf{fWiki}$.

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $333,667$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $333,667$