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February 28, 2015

February 28, 2015

Posted by **lin** on Friday, July 5, 2013 at 9:11am.

For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number in base 5.

1 is the first Harshad number in base 5. Let H be the 1000th Harshad Number in base 5. What are the first 3 digits of H?

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