numarul 2
2:2 = 1 rest 0
1:2 = 0 rest 1
numarul 2 in baza 2 =10
numarul 13:
13:2 = 6 rest 1
6 : 2 = 3 rest 0
3: 2 = 1 rest 1
1:2 = 0 rest 1
numarul 13 in baza 2 = 1101
numarul 55
55:2 = 27 rest 1
27:2 = 13 rest 1
13:2 = 6 rest 1
6:2 = 3 rest 0
3:2 = 1 rest 1
1:2 = 0 rest 1
numarul 55 in baza 2 = 110111