100 in binary
100 in binary is 1100100. In hexadecimal it is 64 and in octal 144.
100 in binary
Pick any whole number from 1 to 10,000.
How to work it out
- 1
Divide 100 by 2 again and again, writing down the remainder each time, until you reach 0.
- 2
Read the remainders from the bottom up: 1100100.
- 3
Check by adding powers of 2: 64 + 32 + 4 = 100.
LaTeX source of the formulas on this page
\[ 100_{10} = 1100100_{2} \]Dividing 100 by 2
| Number | Division | Remainder |
|---|---|---|
| 100 | 100 ÷ 2 = 50 | 0 |
| 50 | 50 ÷ 2 = 25 | 0 |
| 25 | 25 ÷ 2 = 12 | 1 |
| 12 | 12 ÷ 2 = 6 | 0 |
| 6 | 6 ÷ 2 = 3 | 0 |
| 3 | 3 ÷ 2 = 1 | 1 |
| 1 | 1 ÷ 2 = 0 | 1 |
Questions
What is 100 in binary?
1100100.
What is 100 in hexadecimal?
64.
What is 100 in octal?
144.
How many bits does 100 need?
7 bits.