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For how many different digits  is n the three-digit number 14n divisible by n ?

Note:  14n refers to a three-digit number with the unit digit of n not the product of 14n  and n

 Sep 29, 2021
 #1
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0, 1, 2, 4, 5, and 7.

So that would be 6 digits. 

 Sep 29, 2021

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