Saturday, November 9, 2013

12

All the factors of 6 add up to 12:  1+2+3+6=12.

All the factors of 11 add up to 12:  1+11=12.


12 is the lowest number to have TWO different numbers' factors add up to it.
Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)