home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.math
- Path: sparky!uunet!math.fu-berlin.de!guckes
- From: guckes@math.fu-berlin.de (Sven Guckes)
- Subject: Re: 'Perfect' numbers
- Message-ID: <FYU7JLK@math.fu-berlin.de>
- Originator: guckes@medusa
- Sender: news@math.fu-berlin.de (Math Department)
- Organization: Free University of Berlin, Germany
- References: <1992Oct8.132001.29075@ifi.uio.no>
- Date: Mon, 12 Oct 1992 03:13:54 GMT
- Lines: 21
-
- dagjo@ifi.uio.no (Dag Espolin Johnson) writes:
-
- >Does someone have a list of the first numbers (as many as possible) that are
- >'perfect'?
- >
- >With 'Perfect number' I mean those numbers such that if you add together all
- >the numbers that is divideable with the numer, you get the number.
- >
- >The first one is 6 (1+2+3 = 6)
- >The next one is 28 (1+2+4+7+14 = 28)
-
- >If this is a FAQ, please tell me where I can find the answer.
-
- "It's in the FAQ!" - Damn, it isn't. (I just checked in news.answers.)
-
- If I remember correctly then the following are perfect numbers, too:
-
- 496
- 2128
-
- Unfortunately I don't have a reference at hand.
-