| Display title | Sum-product number |
| Default sort key | Sum-product number |
| Page length (in bytes) | 6,735 |
| Namespace ID | 0 |
| Page ID | 306636 |
| Page content language | en - English |
| Page content model | wikitext |
| Indexing by robots | Allowed |
| Number of redirects to this page | 0 |
| Counted as a content page | Yes |
| HandWiki item ID | None |
| Edit | Allow all users (infinite) |
| Move | Allow all users (infinite) |
| Page creator | imported>Len Stevenson |
| Date of page creation | 09:13, 27 June 2023 |
| Latest editor | imported>Len Stevenson |
| Date of latest edit | 09:13, 27 June 2023 |
| Total number of edits | 1 |
| Recent number of edits (within past 90 days) | 0 |
| Recent number of distinct authors | 0 |
Description | Content |
Article description: (description)
This attribute controls the content of the description and og:description elements. | A sum-product number in a given number base $ b $ is a natural number that is equal to the product of the sum of its digits and the product of its digits.
There are a finite number of sum-product numbers in any given base $ b $. In base 10, there are exactly four sum-product numbers (sequence A038369... |
