Sunday, February 16, 2014

12

12 is a sublime number. 


A sublime number is a number with a perfect number of factors whose factors add up to a perfect number.


12 has 6 factors:  1, 2, 3, 4, 6, 12.


The factors of 12 add up to 28.


6 and 28 are both perfect numbers because they are equal to the sum of their proper factors.

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