Base 7
Number Theory
Level
4
\[ 160001001200030002150101 _7 \]
The number above is written in base 7. What integer number, \(0 \leq n \leq 5\), would need to be subtracted from it in order for it to be divisible by 6?
Hint: There is no need to convert the above number to decimal... Good luck!
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by
Geoff Pilling