Let $n \in \N$ be a natural number.
Let $n$ be expressed in decimal notation.
Multiply the digits of $n$ together.
Repeat with the answer, and again until a single digit remains.
The number of steps it takes to reach $1$ digit is called the multiplicative persistence of $n$.
This category has only the following subcategory.
- ► Multiplicative Persistence/Examples (11 P)
Pages in category "Multiplicative Persistence"
The following 9 pages are in this category, out of 9 total.