A cube number normally refers to a number that is a cube of an integer. Now 13 = 1*1*1 = 1 and 23 = 2*2*2 = 8. So, if 6 were a cube then it would have to be the cube of a whole nmumber
http://wiki.answers.com/Q/Why_isnt_6_a_cube_number

Social Security numbers were originally used to track income. Each state was assigned “area numbers” to be used as the first three digits of this ninedigit identifier
http://www.ehow.com/facts_5804035_donumberssocia...

The formula for volume of a cube is: Side ^ 3 (to the power of 3) so 6^3=216 so therefore that's the volume. 216 inches cubed.
http://wiki.answers.com/Q/What_is_the_volume_of_a_...

SA=6x2 SA=6(6)2 SA=6(36) SA=216
http://wiki.answers.com/Q/What_is_the_area_of_a_cu...
