Please use this identifier to cite or link to this item:
https://www.um.edu.mt/library/oar/handle/123456789/24473| Title: | Divisibility magic |
| Authors: | Borg, James L. |
| Keywords: | Mathematics -- Periodicals |
| Issue Date: | 2000 |
| Publisher: | University of Malta. Department of Mathematics |
| Citation: | Borg, J. L. (2000). Divisibility magic. The Collection, 2, 14-18. |
| Abstract: | To check whether a number is divisible by 9 (or 3), it is enough to check whether the sum of its digits is a multiple of 9 (or 3). More generally, if numbers are represented with base b, t hen the divisors of b - 1 will have this property. |
| URI: | https://www.um.edu.mt/library/oar//handle/123456789/24473 |
| Appears in Collections: | Collection, No.2 Collection, No.2 |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Divisibility Magic.pdf | 1.42 MB | Adobe PDF | View/Open |
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