9 in Binary - Convert 9 to Base-2 (1001)

Exact Answer

9₁₀ = 1001₂

Binary (Base 2)

1001

Hexadecimal (Base 16)

0x9

Octal (Base 8)

Bit Length

4 bits

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Step-by-Step Solution: 9₁₀ = 1001₂

Step 1

Divide 9 repeatedly by 2 and read the remainders from bottom to top to obtain 1001.

9₁₀ = 1001₂

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9 in binary is 1001, which requires 4 bits.