Reversal formed by Repdigits of Base minus 1 by Addition and Multiplication/Examples/7
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Example of Reversal formed by Repdigits of Base minus 1 by Addition and Multiplication
\(\ds 7 + 7\) | \(=\) | \(\ds 16_8\) | ||||||||||||
\(\ds 7 \times 7\) | \(=\) | \(\ds 61_8\) |
Proof
A direct application of Reversal formed by Repdigits of Base minus 1 by Addition and Multiplication:
$\blacksquare$
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $18$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $18$