Literaturnachweis - Detailanzeige
| Autor/in | Scott, Paul |
|---|---|
| Titel | Just Perfect: Part 1 |
| Quelle | In: Australian Mathematics Teacher, 63 (2007) 1, S.3-5 (3 Seiten)
PDF als Volltext (1); PDF als Volltext kostenfreie Datei (2) |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0045-0685 |
| Schlagwörter | Number Concepts; Arithmetic; Equations (Mathematics); Mathematics Instruction |
| Abstract | This article is about a very small subset of the positive integers. The positive integer N is said to be "perfect" if it is the sum of all its divisors, including 1, but less that N itself. For example, N = 6 is perfect, because the (relevant) divisors are 1, 2 and 3, and 6 = 1 + 2 + 3. On the other hand, N = 12 has divisors 1, 2, 3, 4 and 6, but since 1 + 2 + 3 + 4 + 6 = 16, rather than 12, 12 is not a perfect number. Ways and exercises for finding perfect numbers are presented. (Contains 1 table and 1 figure.) (ERIC). |
| Anmerkungen | Australian Association of Mathematics Teachers (AAMT). GPO Box 1729, Adelaide,5001, South Australia. Tel: +61-8-8363-0288; Fax: +61-8-8362-9288; e-mail: office@aamt.edu.au; Web site: http://www.aamt.edu.au |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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