+ 0; 8 128 ÷ 2 = 4 064 + 0; 4 064 ÷ 2 = 2 032 + 0; 2 032 ÷ 2 = 1 016 + 0; 1 016 ÷ 2 = 508 + 0; 508 ÷ 2 = 254 + 0; 254 ÷ 2 = 127 + 0; 127 ÷ 2 = 63 + 1; 63 ÷ 2 = 31 + 1; 31 ÷ 2 = 15 + 1; 15 ÷ 2 = 7 + 1; 7 ÷ 2 = 3 + 1; 3 ÷ 2 = 1 + 1; 1 ÷ 2 = 0 + 1; 3. construct the base 2 representation of the positive number, 