Natural Log of 1
Logarithm Calculator
What is ln 1?
Answer
ln 1 =
0
ln is the natural log, base e ≈ 2.71828.
ln 1 is the power you raise e ≈ 2.71828 to, to get 1: ey = 1.
e⁰ = 1 ✓
Answer point (1, 0).
The curve y = ln x passes through (1, 0) and (e, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.
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Natural log of nearby numbers
FAQ
What is ln 1?
ln 1 = 0
How to find ln 1 without a calculator?
Write 1 as a power of e: 1 = e⁰. The exponent is the answer: ln 1 = 0.
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.
See Also
- Natural Log of −1 (ln(−1))
- Natural Log of −2 (ln(−2))
- Natural Log of −5 (ln(−5))
- Natural Log of 0 (ln 0)
- Natural Log of 0.01 (ln 0.01)
- Natural Log of 0.1 (ln 0.1)
- Natural Log of 0.2 (ln 0.2)
- Natural Log of 0.4 (ln 0.4)
- Natural Log of 0.5 (ln 0.5)
- Natural Log of 0.9 (ln 0.9)
- Natural Log of 1.05 (ln 1.05)
- Natural Log of 1.5 (ln 1.5)
- Natural Log of 2 (ln 2)
- Natural Log of 3 (ln 3)
- Natural Log of 4 (ln 4)
- Natural Log of 5 (ln 5)
- Natural Log of 6 (ln 6)
- Natural Log of 7 (ln 7)
- Natural Log of 8 (ln 8)
- Natural Log of 9 (ln 9)
- Натуральный логарифм 1 (ln 1)
- Logaritmo natural de 1 (ln 1)
- Logaritmo natural de 1 (ln 1)