10 - 99............there are 90 double digit numbers................whose sum is 4905..................7 + 7 = 14..........like 14i.....................7 * 7 = 49...................459045............4 + 5 + 9 + 0 + 4 + 5 = 27............fractal patterns..........with e....................a six number sequence.........the 11th - 16th number in e.........11 + 16 = 27..........coincidence??? I doubt it.........

90 double digit numbers..............................10 + 99 = 109............45 pairs...................45 2's.................just like 0 - 100..........................1 - 100........whose sum is 5050.......1 + 100 = 101........2 + 99 = 101............................50 pairs of 101...................101 * 50...........= 5050...............90 double digit numbers......................109.........45 of them..........109 * 45 = 4905............................so many 45's..............

There are 9 single digit counting numbers........1 - 9....................10 single digit numbers.....0 - 9...................................both sum to 45..................45/45 right triangle............459045..........the 11th - 16th number in e...............................

A **digit** is a **single** symbol used to make numerals. 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are the ten **digits** we use in everyday numerals. Example: The numeral 153 is made up of 3 **digits** ("1", "5" and "3"). Example: The numeral 46 is made up of 2 **digits** ("4", and "6").