Discuss Multiplicative Persistence... What's special about ...

Multiplicative Persistence -- from Wolfram MathWorld

Multiply all the digits of a number n by each other, repeating with the product until a single digit is obtained. The number of steps required is known as ...

Fun with Math: Calculating Multiplicative Persistence - BiteofanApple

But first we need to talk about a thing called Multiplicative Persistence. What is that? Put very simply, Multiplicative Persistence is a little ...

Multiplicative Persistence... What's special about 277777788888899?

Multiply all the digits of a nonnegative integer n by each other, repeating with the product until a single digit is obtained.

Multiplicative Persistence - YouTube

Multiplicative Persistence. 4.4K views · 11 years ago ...more ... What's special about 277777788888899? - Numberphile. Numberphile•2.2M ...

Multiplicative Persistence and Absolute Multiplicative Persistence

Consider a larger number, n = ⌈((s + 1)! − ... This work was inspired by the Numberphile video by Haran and Parker, “What's special about ...

Multiplicative Persistence Codewars Challenge - Stack Overflow

The posted code has quite a few problems. for (var i = 0; i <= splitStr; i++) {. But splitStr is an array, not a number; i <= splitStr ...

Multiplicative persistence - Code Golf Stack Exchange

Meta Discuss the workings and policies of this site · About Us Learn ... Numberphile "What's special about 277777788888899?" Numberphile ...

Persistence of a number - Wikipedia

Usually, this involves additive or multiplicative persistence of a non-negative integer, which is how often one has to replace the number by the sum or product ...

Multiplicative persistence with Julia - OpenSourc.ES

It is about multiplicative persistence which means roughly the following. We take an integer and multiply the digits together to get a new ...

Multiplicative Persistence... What's special about 277777788888899?

Based on this Numberphile video: https://www.youtube.com/watch?v=Wim9WJeDTHQ Multiply all the digits of a nonnegative integer n by each other, ...

Definition:Multiplicative Persistence - ProofWiki

Let n∈N be a natural number. Let n be expressed in decimal notation. Multiply the digits of n ...

What's special about 277777788888899? - Numberphile - YouTube

Matt Parker discusses multiplicative persistence. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile ...

Why are the search spaces for multiplicative persistence so ... - Reddit

Multiplicative persistence is the quality of a number that's given by multiplying its digits together and then iterating that process on the ...

Multiplicative Persistence | MathPickle

The persistence of an integer is the number of times you can perform the following before ending up at a single digit: 1) Take the digits of the integer and ...

Persistence Algorithm and A Simple Introduction To .reduce()

In the "Persistent Bugger" algorithm, that is exactly what I was doing. ... multiplicative persistence. let count = 0; // Initialize a total ...

Multiplicative Persistence #2 - Code Golf Stack Exchange

Repeat Step 1 until you have a single digit left. Then count the number of iterations. More here on Numberphile: Numberphile "What's special ...

Does anyone have a use for the first billion numbers and their ...

A031346: Multiplicative persistence: number of iterations of "multiply digits" needed to reach a number < 10. 0,0,0,0,0,0,0,0,0,0,1,1,1,1,1 ...

Efficiently Calculating Multiplicative Persistence - LinkedIn

Instead of sorting the number, you can scan the number and make sure that every next digit is not lower as the current digit. And because the ...

Multiplicative Digital Root -- from Wolfram MathWorld

Consider the process of taking a number, multiplying its digits, then multiplying the digits of numbers derived from it, etc., until the remaining number ...

Multiplicative Persistence (extra footage) - Numberphile - YouTube

Main video: • What's special about 2... Matt's book: http://bit.ly/Humble_Pi This video follows our main Numberphile video with Matt Parker.