Log Base 13 of 13

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Log base
x

What is log₁₃ 13?

Answer

log13 13 =
1

log13 is the log base 13.

log13 13 is the power you raise 13 to, to get 13: 13y = 13.

13¹ = 13 ✓

Oxy

Answer point (13, 1).

The curve y = log13 x passes through (1, 0) and (13, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

Log of 13 in different bases
BaseNotationValue
eln 13≈ 2.5649
10log 13≈ 1.1139
2log₂ 13≈ 3.7004
13log₁₃ 131

See Also

Log base 13 of nearby numbers

xlog₁₃ x
131

FAQ

What is log₁₃ 13?

log₁₃ 13 = 1

How to find log₁₃ 13 without a calculator?

Write 13 as a power of 13: 13 = 13¹. The exponent is the answer: log₁₃ 13 = 1.

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.