Created by nicolas-patrois
Created on December 31, 2018
219 Bytes
Décompose un nombre dans la base factorielle, ainsi 1024=2×2!+2×3!+2×4!+2×5!+1×6!.
def basefact(n): f=1 p=1 while f<=n: p+=1 f*=p f//=p p-=1 l=[] while p: r,n=divmod(n,f) if r: l.insert(0,"%d*%d!"%(r,p)) f//=p p-=1 return "+".join(l)