2004/05/08 by Florentin Smarandache
Mathematics · #math.GM #msc:11A25 #msc:11B34
published as An. Univ. Timisoara, Seria St. Matematice, Vol. XVIII, Fasc. 1, 79-88, 1980 · 8 pages
arxiv created 2004/05/08 · arxiv updated 2009/12/01
In this paper one constructs a function η with the property that if n is non-null then η(n) is the smallest integer such that η(n)! is divisible by n. In order to calculate it one considers, for each prime p, the associated function ηp(n) in a power base.