1 Hexadecimal to Binary
1 hexadecimal = 1 binary
1 written in binary is 1, the number 1 in everyday decimal.
1 hexadecimal = 1 binary
How to convert 1 to binary
Because 16 = 24, every hexadecimal digit stands for exactly 4 binary digits. Write each hexadecimal digit as 4 binary digits:
| Binary group | Hexadecimal digit |
|---|---|
0001 | 1 |
Result: 1 in hexadecimal = 1 in binary (leading zeros dropped).
1 (hexadecimal) in other systems
| Decimal | 1 |
| Roman numerals | I |
| Octal | 1 |
| Duodecimal | 1 |
| Ternary | 1 |
| Base 36 | 1 |
| Vigesimal | 1 |
| Quaternary | 1 |
| Quinary | 1 |
| Senary | 1 |
Nearby hexadecimal to binary conversions
| 0 to binary | 0 |
| 2 to binary | 10 |
| 3 to binary | 11 |
| 4 to binary | 100 |
| 5 to binary | 101 |
| 6 to binary | 110 |
| 7 to binary | 111 |
| 8 to binary | 1000 |
| 9 to binary | 1001 |
| A to binary | 1010 |
About the number 1
- 1 is an odd number.
- 1 is a power of two: 20.
- Written in binary it needs 1 bit, so it fits in one byte.
Reverse conversion
Frequently asked questions
What is 1 in binary?
1 in hexadecimal is 1 in binary (the number 1 in decimal).