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Natural logarithm of 2 information


The decimal value of the natural logarithm of 2 (sequence A002162 in the OEIS) is approximately

The logarithm of 2 in other bases is obtained with the formula

The common logarithm in particular is (OEIS: A007524)

The inverse of this number is the binary logarithm of 10:

(OEIS: A020862).

By the Lindemann–Weierstrass theorem, the natural logarithm of any natural number other than 0 and 1 (more generally, of any positive algebraic number other than 1) is a transcendental number.

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Natural logarithm of 2

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The decimal value of the natural logarithm of 2 (sequence A002162 in the OEIS) is approximately ln ⁡ 2 ≈ 0.693 147 180 559 945 309 417 232 121 458. {\displaystyle...

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Natural logarithm

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The natural logarithm of a number is its logarithm to the base of the mathematical constant e, which is an irrational and transcendental number approximately...

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Logarithm

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log x. The logarithm base 10 is called the decimal or common logarithm and is commonly used in science and engineering. The natural logarithm has the number e...

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Binary logarithm

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_{2}n\quad \Longleftrightarrow \quad 2^{x}=n.} For example, the binary logarithm of 1 is 0, the binary logarithm of 2 is 1, the binary logarithm of 4...

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Common logarithm

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"log", but mathematicians usually mean natural logarithm (logarithm with base e ≈ 2.71828) rather than common logarithm when writing "log". To mitigate this...

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Complex logarithm

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mathematics, a complex logarithm is a generalization of the natural logarithm to nonzero complex numbers. The term refers to one of the following, which...

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Napierian logarithm

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Napierian logarithm or Naperian logarithm, named after John Napier, is often used to mean the natural logarithm. Napier did not introduce this natural logarithmic...

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Index of logarithm articles

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series Moment magnitude scale John Napier Napierian logarithm Natural logarithm Natural logarithm of 2 Neper Offset logarithmic integral pH Pollard's kangaroo...

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History of logarithms

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generating the natural logarithm was the result of a search for an expression of area against a rectangular hyperbola, and required the assimilation of a new function...

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Iterated logarithm

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the binary iterated logarithm, which iterates the binary logarithm (with base 2 {\displaystyle 2} ) instead of the natural logarithm (with base e). Mathematically...

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Logarithm of a matrix

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In mathematics, a logarithm of a matrix is another matrix such that the matrix exponential of the latter matrix equals the original matrix. It is thus...

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Doubling time

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growth rate. This time can be calculated by dividing the natural logarithm of 2 by the exponent of growth, or approximated by dividing 70 by the percentage...

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Banana equivalent dose

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average lifetime is the half-life (3.94×1016 s) divided by the natural logarithm of 2, or about 5.684×1016 seconds. Paul Frame, General Information About...

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Median

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distribution with rate parameter λ is the natural logarithm of 2 divided by the rate parameter: λ−1ln 2. The median of a Weibull distribution with shape parameter...

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Logarithmic derivative

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positive values, this is equal to the derivative of ln(f), or the natural logarithm of f. This follows directly from the chain rule: d d x ln ⁡ f ( x )...

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List of numbers

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object equal to 2+3), and the numeral five (the noun referring to the number). The natural numbers are a subset of the integers and are of historical and...

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Scale height

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which a physical quantity decreases by a factor of e (the base of natural logarithms, approximately 2.718). For planetary atmospheres, scale height is...

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555 timer IC

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ln ⁡ ( 2 ) {\displaystyle \ln(2)} is the natural logarithm of 2. Resistor R 1 {\displaystyle R_{1}} requirements: The maximum power rating of R 1 {\displaystyle...

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Natural number

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Encyclopaedia Britannica defines natural numbers in the logarithm article. Starting at 0 or 1 has long been a matter of definition. In 1727, Bernard Le...

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Hyperbolic sector

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basis for the hyperbolic functions. The area of a hyperbolic sector in standard position is natural logarithm of b . Proof: Integrate under 1/x from 1 to...

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List of logarithmic identities

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of shifted harmonic numbers on page 389 Deveci, Sinan (2022). "On a Double Series Representation of the Natural Logarithm, the Asymptotic Behavior of...

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