5 in binary
5 in binary is 101. In hexadecimal it is 5 and in octal 5.
5 in binary
Pick any whole number from 1 to 10,000.
How to work it out
- 1
Divide 5 by 2 again and again, writing down the remainder each time, until you reach 0.
- 2
Read the remainders from the bottom up: 101.
- 3
Check by adding powers of 2: 4 + 1 = 5.
LaTeX source of the formulas on this page
\[ 5_{10} = 101_{2} \]Dividing 5 by 2
| Number | Division | Remainder |
|---|---|---|
| 5 | 5 ÷ 2 = 2 | 1 |
| 2 | 2 ÷ 2 = 1 | 0 |
| 1 | 1 ÷ 2 = 0 | 1 |
Questions
What is 5 in binary?
101.
What is 5 in hexadecimal?
5.
What is 5 in octal?
5.
How many bits does 5 need?
3 bits.