Log Base 2 of 11

Logarithm Calculator
Log base
x

What is log₂ 11?

Answer

log2 11 ≈
3.4594

log2 is the log base 2.

≈ — the logarithm is irrational; the value is rounded to 4 decimal places.

log2 11 is the power you raise 2 to, to get 11: 2y = 11.

2³ = 8 < 11 < 16 = 2⁴, so 3 < log2 11 < 4

log2 11 = ln 11 / ln 2 ≈ 2.397895 / 0.693147 ≈ 3.4594

Oxy

Answer point ≈ (11, 3.4594).

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 11 in different bases
BaseNotationValue
eln 11≈ 2.3979
10log 11≈ 1.0414
2log₂ 11≈ 3.4594

See Also

Log base 2 of nearby numbers

FAQ

What is log₂ 11?

log₂ 11 ≈ 3.4594

How to calculate log₂ 11 on a calculator?

Divide the natural logs: log₂ 11 = ln 11 / ln 2 ≈ 2.397895 / 0.693147 ≈ 3.4594.

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.