Convert 121 from denary to hexadecimal:
12110 |
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Step 1: Convert Denary to Binary
Convert the denary number 121 into an 8-bit binary number.
| 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
|---|---|---|---|---|---|---|---|
| 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
121 = 64 + 32 + 16 + 8 + 1
Step 2: Split into Nibbles
Split the 8-bit binary number into two 4-bit binary numbers.
Remember to re-number the binary columns for the first nibble.
| 8 | 4 | 2 | 1 | 8 | 4 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
Step 4: Convert each Nibble to Denary
Convert each binary nibble into denary.
| 8 | 4 | 2 | 1 |
|---|---|---|---|
| 0 | 1 | 1 | 1 |
= 7
| 8 | 4 | 2 | 1 |
|---|---|---|---|
| 1 | 0 | 0 | 1 |
= 9
Step 5: Convert each Denary Digit to Hexadecimal
Convert each denary number to its hexadecimal equivalient.
Denary numbers 10–15 are equivalent to hexadecimal numbers A–F.
| 7 | = | 7 |
7 less than 10, so it is the same in hexadecimal and denary.
| 9 | = | 9 |
9 less than 10, so it is the same in hexadecimal and denary.
Step 6: Combine the Digits
Bring the two separate hexadecimal values together, and the conversion is complete!
| 7 | 9 |
| 7 | 9 |
The answer
We have now converted 121 10 to 7916.
79