Everything about Sum-product Number totally explained
A
sum-product number is an integer that in a given base is equal to the sum of its digits times the product of its digits. Or, to put it algebraically, given an integer
n that's
l digits long in base
b (with
dx representing the
xth digit), if
can be true only for
l less than the limit.
In Roman numerals, the only sum-product numbers are 1, 2, 3, and possibly 4 (if written IIII).
Further Information
Get more info on 'Sum-product Number'.
|
External Link Exchanges
Do you know how hard it is to get a link from a large encyclopaedia? Well we're different and will prove it. To get a link from us just add the following HTML to your site on a relevant page:
<a href="http://sum-product_number.totallyexplained.com">Sum-product number Totally Explained</a>
Then simply click through this link from your web page. Our crawlers will verify your link, extract the title of your web page and instantly add a link back to it. If you like you can remove the words Totally Explained and embed the link in article text.
As long as your link remains in place, we'll keep our link to you right here. Please play fair - our crawlers are watching. Your site must be closely related to this one's topic. Any kind of spamming, dubious practises or removing the link will result in your link from us being dropped and, potentially, your whole site being banned. |
