I see. The spikiness is a tipoff that the numbers are being generated by some simple underlying process. I’m still not clear about why primes, though.
I’m guessing the idea is looking out for multiplicative processes, like looking out for the hump-tail shape of the distribution? Multiplying numbers together is an addition on their multiplicities-of-factors representation, so nd6 can never generate a number with a prime factor of 7 or higher. But I’m not explicitly hearing that as the rationale, so it feels like “primes are bound to show up, just keep an eye out for them”.
Oh. Um, I just see a lot of numbers as their prime factorization so it was obvious something unusual was going on. Probably not helpful to you, there. But I guess it’s similar to what gjm said. Like how you’d notice if everything was divisible by 10 because everything ended in 0s, but not quite so clear.
Maybe it is. Feynman’s abacus story suggests that he (and colleagues) were familiar with lots of specific numbers and that it matters, somehow. Perhaps I should pick up the habit. Or perhaps that’s backwards, and there’s some particularly useful skill tree that, as a side effect, results in learning to recognize lots of numbers. Either way, just knowing that this is a common thing among the mathematically inclined is worth knowing.
I see. The spikiness is a tipoff that the numbers are being generated by some simple underlying process. I’m still not clear about why primes, though.
I’m guessing the idea is looking out for multiplicative processes, like looking out for the hump-tail shape of the distribution? Multiplying numbers together is an addition on their multiplicities-of-factors representation, so nd6 can never generate a number with a prime factor of 7 or higher. But I’m not explicitly hearing that as the rationale, so it feels like “primes are bound to show up, just keep an eye out for them”.
Oh. Um, I just see a lot of numbers as their prime factorization so it was obvious something unusual was going on. Probably not helpful to you, there. But I guess it’s similar to what gjm said. Like how you’d notice if everything was divisible by 10 because everything ended in 0s, but not quite so clear.
Maybe it is. Feynman’s abacus story suggests that he (and colleagues) were familiar with lots of specific numbers and that it matters, somehow. Perhaps I should pick up the habit. Or perhaps that’s backwards, and there’s some particularly useful skill tree that, as a side effect, results in learning to recognize lots of numbers. Either way, just knowing that this is a common thing among the mathematically inclined is worth knowing.
If I had to guess, I’d guess that the largest contributor towards viewing numbers like that was probably my courses taught from https://www.amazon.com/Discrete-Combinatorial-Mathematics-Applied-Introduction/dp/0201199122/ in university.