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  2. Factorial number system - Wikipedia

    en.wikipedia.org/wiki/Factorial_number_system

    The factorial number system is a mixed radix numeral system: the i-th digit from the right has base i, which means that the digit must be strictly less than i, and that (taking into account the bases of the less significant digits) its value is to be multiplied by (i − 1)!

  3. List of mathematical series - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_series

    2.4 Modified-factorial denominators. 2.5 Binomial coefficients. 2.6 Harmonic numbers. 3 Binomial coefficients. 4 Trigonometric functions. ... Toggle the table of ...

  4. Table of prime factors - Wikipedia

    en.wikipedia.org/wiki/Table_of_prime_factors

    The tables contain the prime ... > 1. The first: 4, 6, 8, 9, 10, 12, 14 ... sequence A002110 in the OEIS). 1# = 1 is sometimes included. A factorial x! is the product ...

  5. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    1.733 368 733 × 10 1 000: ... in connection with a problem of dining table arrangements. ... return 1 return n * factorial(n − 1) Other methods suitable for its ...

  6. Stirling's approximation - Wikipedia

    en.wikipedia.org/wiki/Stirling's_approximation

    [1] [2] [3] One way of stating the approximation involves the logarithm of the factorial: ⁡ (!) = ⁡ + (⁡), where the big O notation means that, for all sufficiently large values of , the difference between ⁡ (!

  7. Table of Gaussian integer factorizations - Wikipedia

    en.wikipedia.org/wiki/Table_of_Gaussian_Integer...

    The entry 4+2i = −i(1+i) 2 (2+i), for example, could also be written as 4+2i= (1+i) 2 (1−2i). The entries in the table resolve this ambiguity by the following convention: the factors are primes in the right complex half plane with absolute value of the real part larger than or equal to the absolute value of the imaginary part.

  8. Derangement - Wikipedia

    en.wikipedia.org/wiki/Derangement

    The number of derangements of small lengths is given in the table below. ... Table of factorial and derangement values ... =2.4×10 1. 9 =9×10 0 = 0.375 5 120

  9. Table of congruences - Wikipedia

    en.wikipedia.org/wiki/Table_of_congruences

    1 Table of congruences ... or are restatements of this classical result given in terms of other special variants of generalized factorial ... 10 (UTC). Text is ...