Explicație pas cu pas:
3425:2=1712 rest 1
1712:2=856 rest 0
856:2=428 rest 0
428:2=214 rest 0
214:2=107 rest 0
107:2=53 rest 1
53:2=26 rest 1
26:2=13 rest 0
13:2=6 rest 1
6:2=3 rest 0
3:2=1 rest 1
1:2=0 rest 1
3425 in baza 2 este 100001101011