77 in binary
77 in binary is 1001101. In hexadecimal it is 4D and in octal 115.
77 in binary
Pick any whole number from 1 to 10,000.
How to work it out
- 1
Divide 77 by 2 again and again, writing down the remainder each time, until you reach 0.
- 2
Read the remainders from the bottom up: 1001101.
- 3
Check by adding powers of 2: 64 + 8 + 4 + 1 = 77.
LaTeX source of the formulas on this page
\[ 77_{10} = 1001101_{2} \]Dividing 77 by 2
| Number | Division | Remainder |
|---|---|---|
| 77 | 77 ÷ 2 = 38 | 1 |
| 38 | 38 ÷ 2 = 19 | 0 |
| 19 | 19 ÷ 2 = 9 | 1 |
| 9 | 9 ÷ 2 = 4 | 1 |
| 4 | 4 ÷ 2 = 2 | 0 |
| 2 | 2 ÷ 2 = 1 | 0 |
| 1 | 1 ÷ 2 = 0 | 1 |
Questions
What is 77 in binary?
1001101.
What is 77 in hexadecimal?
4D.
What is 77 in octal?
115.
How many bits does 77 need?
7 bits.