Tagged Questions
2
votes
1answer
82 views
Generating a list of all factorizations
What is the best way to generate a list of all factorizations of some number $n$? I'm quite new to Mathematica so this might be obvious. I have been trying some basic stuff with ...
6
votes
1answer
95 views
Implementing Remainder Tree
I want to implement Remainder Tree based on this. With the answers on SE I've come up with:
...
1
vote
3answers
256 views
Generating pairs of additive and multiplicative factors for integers
Given an integer $n$, I want two lists:
a) the set of pairs of the divsors $a,b$ into exactly two factors $n=a\cdot b$,
b) the set of pairs $a,b$ of two summands $n=a+b$.
The code I came up ...
18
votes
6answers
778 views
efficient way to count the number of zeros at the (right) end of a very large number
If I want to count the number of zeros at the (right) end of a large number, like $12345!$, I can use something like:
Length[Last[Split[IntegerDigits[12345!]]]]
...