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- Newsgroups: rec.puzzles
- Path: sparky!uunet!utcsri!utmath!joel
- From: joel@math.toronto.edu (Joel Chan)
- Subject: Re: new year's problem
- Message-ID: <1993Jan2.205317.24013@math.toronto.edu>
- Organization: Department of Mathematics, University of Toronto
- References: <1993Jan2.1584.7529@channel1> <1993Jan2.160912.2596@zip.eecs.umich.edu>
- Distribution: rec
- Date: Sat, 2 Jan 93 20:53:17 GMT
- Lines: 31
-
- In article <1993Jan2.160912.2596@zip.eecs.umich.edu> kanad@quip.eecs.umich.edu (Kanad Chakraborty) writes:
- >In article <1993Jan2.1584.7529@channel1> "eliot gelwan" <eliot.gelwan@channel1.com> writes:
- >>On 12-31-92 KEITH F. LYNCH wrote:
- >>
- >>KF»What property did 1987 have, that no year after it will have
- >>KF»until 2013?
- >>
- >>Prime numbers
- >
- >Or, no repeated digits.
-
- I think Kanad is right. Note that there are plenty of prime numbers
- between 1987 and 2013...
-
- 1987
- 1993 <-- Hey, that's this year!!
- 1997
- 1999
- 2003
- 2011
- 2017
-
- Wait a minute!!! 2013 isn't even prime!!
- Note that 3 x 11 x 61 = 2013.
-
- Joel
- --
- Joel Chan, Department of Mathematics joel@math.toronto.edu
- Toronto Blue Jays: 1992 World Series Champions
- "History: Those who ignore it are condemned to repeat it. Math, too."
- -From the comic strip "Betty"
-