Question 936436
Here's a similar problem.
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Pls help me out in solving this with explanations pls 
Divide 2115 by 12 in base seven
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Convert to base 10, divide, convert back to base 7
2115 --> 2*7^3 + 7^2 + 7^1 + 5 = 747
12 --> 9
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747/9 = 83
83 --> 49 + 4*7 + 6
--> 146 in base 7.