Multiple of Repdigit Base minus 1/Examples/3 times 6666 base 7
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Example of Multiple of Repdigit Base minus 1
Proof
From Multiple of Repdigit Base minus 1:
- the first digit of $3 \times 6666$ is $3 - 1 = 2$
- the last digit of $3 \times 6666$ is $7 - 3 = 4$
- there are $4 - 1 = 3$ instances of $6$ in between.
Hence:
- $3 \times 6666 = 26664$
$\blacksquare$