Log Base 5 of 3

Logarithm Calculator
Log base
x

What is log₅ 3?

Answer

log5 3 ≈
0.6826

log5 is the log base 5.

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

log5 3 is the power you raise 5 to, to get 3: 5y = 3.

5⁰ = 1 < 3 < 5 = 5¹, so 0 < log5 3 < 1

log5 3 = ln 3 / ln 5 ≈ 1.098612 / 1.609438 ≈ 0.6826

Oxy1

Answer point ≈ (3, 0.6826).

The curve y = log5 x passes through (1, 0) and (5, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

Log of 3 in different bases
BaseNotationValue
eln 3≈ 1.0986
10log 3≈ 0.4771
2log₂ 3≈ 1.5850
5log₅ 3≈ 0.6826

See Also

Log base 5 of nearby numbers

FAQ

What is log₅ 3?

log₅ 3 ≈ 0.6826

How to calculate log₅ 3 on a calculator?

Divide the natural logs: log₅ 3 = ln 3 / ln 5 ≈ 1.098612 / 1.609438 ≈ 0.6826.

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.