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[-] OfCourseNot@fedia.io 25 points 2 days ago

It's a 2d6, but could also be read as a d36.

[-] IndolentRoshi@lemmy.world 1 points 2 days ago

Yeah, except too bad prime numbers exist

[-] OfCourseNot@fedia.io 4 points 1 day ago

Let da and db be the results in both d6 dice, the result for the d36 would be 6(da - 1) + db. This gives an equal chance of getting any number between 1 and 36, both included, eg da = 5; db = 5; gives d36 = 29 (which is prime).

[-] IndolentRoshi@lemmy.world 2 points 15 hours ago

Very cool, TIL! Is there a name for this mathematical strategy? Both search and AI are failing me

[-] OfCourseNot@fedia.io 1 points 27 minutes ago

It's just using the result of the dice roll as digits to compose a number in a base 6 positional numeral system.

Maybe it's not obvious because the formula above is already reduced. Digits in base six can only be 0-5, that's why there's a -1 in 6(da -1). Two digits would give us a result between 0-35, that's why there's no -1 subtracted from db, I already added 1 to make the range 1-36.

You could use two different dice as well, like a d8 and a d6 to make a d48. Or three or more dice with the same number of faces, eg 3 d6 to make a d216 (they have to be distinguishable, in color, size, style...). For more than two different dice the math would get too messy to be practical, I reckon.

[-] Artisian@lemmy.world 2 points 2 days ago

Distinguished, these dice have been.

this post was submitted on 25 Aug 2025
140 points (100.0% liked)

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