Some math, for your consideration: 16 | 1+6 = 7 + = 12 | 1+2 = 3 32 | 3+2 = 5 64 | 6+4 = 10 | 1+0 = 1 + = 3 128 | 1+2+8 = 11 | 1+1 = 2 256 | 2+5+6 = 13 | 1+3 = 4 + = 12 | 1+2=3 512 | 5+1+2 = 8