Binary numeral system

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The binary numeral system is a way to write numbers using only two digits: 0 and 1. These are used in computers as a series of "off" and "on" switches. Here is a list of some numbers that can be made from these digits (zero is represented by a single "0"):

1. 1
2. 10
3. 11
4. 100
5. 101
6. 110
7. 111
8. 1000
9. 1001
10. 1010
11. 1011
12. 1100
13. 1101
14. 1110
15. 1111
16. 10000
17. 10001
18. 10010
19. 10011
20. 10100
21. 10101
22. 10110
23. 10111
24. 11000
25. 11001
26. 11010
27. 11011
28. 11100
29. 11101
30. 11110
31. 11111
32. 100000