321 in binary
321 in binary is 101000001. In hexadecimal it is 141 and in octal 501.
321 in binary
Pick any whole number from 1 to 10,000.
How to work it out
- 1
Divide 321 by 2 again and again, writing down the remainder each time, until you reach 0.
- 2
Read the remainders from the bottom up: 101000001.
- 3
Check by adding powers of 2: 256 + 64 + 1 = 321.
LaTeX source of the formulas on this page
\[ 321_{10} = 101000001_{2} \]Dividing 321 by 2
| Number | Division | Remainder |
|---|---|---|
| 321 | 321 ÷ 2 = 160 | 1 |
| 160 | 160 ÷ 2 = 80 | 0 |
| 80 | 80 ÷ 2 = 40 | 0 |
| 40 | 40 ÷ 2 = 20 | 0 |
| 20 | 20 ÷ 2 = 10 | 0 |
| 10 | 10 ÷ 2 = 5 | 0 |
| 5 | 5 ÷ 2 = 2 | 1 |
| 2 | 2 ÷ 2 = 1 | 0 |
| 1 | 1 ÷ 2 = 0 | 1 |
Questions
What is 321 in binary?
101000001.
What is 321 in hexadecimal?
141.
What is 321 in octal?
501.
How many bits does 321 need?
9 bits.