A factorial problem

dnd_n is the last nonzero digit of the decimal representation of n!n!.

Is dnd_n eventually periodic?

Clarification: dnd_n is called "eventually periodic" if there exist kk and n0n_0 such that dn+k=dnd_{n+k}=d_n for all nn0.n\geq n_0.

×

Problem Loading...

Note Loading...

Set Loading...