1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 25, 28, 30, 36, 40, 45, 55, 60, 65, 66, 69, 77, 90, 95, 100, and 130 are already taken. 17, 24, 26, 27, 29, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 46, 47, 48, 49, 61, 62, 63, 64, 67, 68, 91, 92, 93, 94, 96, 97, 98, and 99 are compound
Now start sign-in to be in Gustavoblocks Note: Gustawteen was Replaced by Gumball Watterson due to Gumball is super rectangle. Meet the Gumball Watterson.