A Band of Dozenal Numberblocks One to Two-Do
1 = 1 X = 10 E = 11 10 = 12 20 = 24 30 = 36 40 = 48 50 = 60 60 = 72 70 = 84 80 = 96 90 = 108 X0 = 120 E0 = 132 100 = 144 200 - E00 are multiples of 144 1000 = 1728 21 = 25 42 = 50 63 = 75 84 = 100 1728 = 1000
