Convert 42 to binary
Convert numbers between binary, decimal, octal, and hexadecimal.
Conversion
Answer
101010
To convert 42 to binary, repeatedly divide by 2 and record the remainders.
Step 1 — Convert the integer part (repeated division by 2)
Divide 42 by 2 repeatedly. Record the remainder at each step:
Read the remainders from bottom to top:
Integer part: 101010
(42)10 = (101010)2
How to convert 42 to binary
To convert 42 to binary, repeatedly divide by the target base and collect the remainders.
This is a base conversion — numbers can be represented in different bases: binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16).
Frequently asked questions
What is the answer to 42 to binary?
The answer is 101010.
What method is used?
Divide by the target base repeatedly, collecting remainders. Read remainders bottom-to-top for the result.
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