Interesting Numbers Patterns 1. Square numbers of 1, 11, 111, 1111,…..etc. They give a beautiful patterns like this. 2. Another interesting pattern. 72 = 49 672 = 4489 6672 = 444889 66672 = 44448889 666672 = 4444488889 6666672 = 444444888889 3. Adding consecutive odd numbers. 1 =  1  =    13 3 + 5 =  8  =   23 7 + 9 + […]