Log Base 2 of 64

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What is log₂ 64?

Answer

log2 64 =
6

log2 is the log base 2.

log2 64 is the power you raise 2 to, to get 64: 2y = 64.

2⁶ = 64 ✓

Oxy

Answer point (64, 6).

The curve y = log2 x passes through (1, 0) and (2, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

Log of 64 in different bases
BaseNotationValue
eln 64≈ 4.1589
10log 64≈ 1.8062
2log₂ 646

See Also

Log base 2 of nearby numbers

FAQ

What is log₂ 64?

log₂ 64 = 6

How to find log₂ 64 without a calculator?

Write 64 as a power of 2: 64 = 2⁶. The exponent is the answer: log₂ 64 = 6.

What does log without a base mean?

At school and on a calculator, log x without a base is the common log, base 10: log 100 = 2. In Python, math.log(x) is the natural log ln x; in Excel, LN is the natural log and LOG is base 10.