Feller–Tornier constant
In mathematics, the Feller–Tornier constant CFT is the density of the set of all integers that have an even number of prime factors (counted by multiplicities).[1] It is named after William Feller (1906–1970) and Erhard Tornier (1894–1982)[2]
Omega function
The Omega function is given by
The Iverson bracket is
With these notations, we have
Prime zeta function
The prime zeta function P is give by
The Feller–Tornier constant satisfies
See also
References
- ↑ "Feller–Tornier Constant – from Wolfram MathWorld". Mathworld.wolfram.com. 2017-03-23. Retrieved 2017-03-30.
- ↑ Steven R. Finch. "Mathematical Constants. (Cf. Feller–Tornier constant.)". Oeis.org. Retrieved 2017-03-30.
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