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Magic 8's (Posted on 2006-09-18) Difficulty: 4 of 5
There is a number which has 8 divisors including, 8, itself, and 1. There is also a number which has 18 divisors, including 18, itself and 1. The difference between these numbers is 28. What are the two numbers?

No Solution Yet Submitted by joshua    
Rating: 4.0000 (2 votes)

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answer Comment 8 of 8 |
The smallest such pair, that is the smallest n1,  with n1< n2, is (n1,n2) = (152, 180) 
  Posted by K Sengupta on 2008-11-24 00:37:32
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