Talk:Fortunate number
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I think these are "Fortunate numbers" (with a capital F) because they're named after Reo Fortune. Am I right or wrong about this?CompositeFan20:35, 5 September 2007 (UTC)[reply]
if 2 is not fortunate, why is this a problem?Jhalkompwdr (talk)13:57, 26 February 2008 (UTC)[reply]
The opening definition seems roundabout. Reading it, I found it easier to use Google to find other sites on the topic to nail down what this article's current definition was supposed to mean. After which I thought about how to express the idea more directly, and came up with:
Fortunate(n) = Prime(x) - Primorial(n)
where:
Prime(x) > Primorial(n) > Prime(x-1)
Opinions welcome as to which definition is clearer. I suppose spelling out the function names might not be the current policy, if that offends, just replace it with whatever shorthand series or functional notation is current:
Fn = Px - Pn#
where:
Px > Pn# > P(x-1)
One flaw I can see is that it might lead readers to suppose we're out to find 'x' as well, when we don't so much care what 'x' is, just so it's prime. Try again:
Fortunate(n) = NextPrime(Primorial(n)) - Primorial(n)
Seems clear enough.
--AC (talk) 08:16, 19 January 2010
(UTC)
I see no evidence that "fortunate numbers" have any connection to Reo Fortune. Is there a citation? If not I suggest it be removed.— Precedingunsigned comment added by2620:0:1A10:7804:5E73:7390:591B:CF04 (talk)17:00, 24 January 2022 (UTC)[reply]
References
