Distribution of 0 digits in factorial series: Difference between revisions
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Thundergnat (talk | contribs) m (Thundergnat moved page Distribution of 0 Digits in factorial series to Distribution of 0 digits in factorial series) |
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Mean proportion of zero digits in factorials to 10000 is 0.1730038482. (149ms) |
Mean proportion of zero digits in factorials to 10000 is 0.1730038482. (149ms) |
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The mean proportion dips permanently below 0.16 at 47332. (4485ms) |
The mean proportion dips permanently below 0.16 at 47332. (4485ms) |
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</pre> |
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=={{header|Sidef}}== |
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<lang ruby>func mean_factorial_digits(n, d = 0) { |
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var v = 1 |
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var total = 0.float |
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for k in (1..n) { |
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v *= k |
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total += v.digits.count(d)/v.len |
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} |
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total / n |
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} |
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say mean_factorial_digits(100) |
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say mean_factorial_digits(1000) |
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say mean_factorial_digits(10000)</lang> |
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{{out}} |
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<pre> |
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0.246753186167432217778415887197352699112940703327 |
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0.203544551103164635640043803171145530298574116789 |
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0.173003848241866053180036642893070615681027880906 |
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</pre> |
</pre> |
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