Yutaka Nishiyama has this interesting article in the March 2006 issue
of Plus, entitled 'Mysterious number 6174'.
The theorem in this article is as follows: any 4-digit positive
integer, stipulating all 4 digits *not* be the same one, may be
distilled to 6174 by the following
process: extract the
kirby urner wrote:
Yutaka Nishiyama has this interesting article in the March 2006 issue
of Plus, entitled 'Mysterious number 6174'.
The theorem in this article is as follows: any 4-digit positive
integer, stipulating all 4 digits *not* be the same one, may be
distilled to 6174 by the following
[kirby urner]
Yutaka Nishiyama has this interesting article in the March 2006 issue
of Plus, entitled 'Mysterious number 6174'.
The theorem in this article is as follows: any 4-digit positive
integer, stipulating all 4 digits *not* be the same one, may be
distilled to 6174 by the following
This is interesting
trying 7 digits
000 reached by 10 inputs
8429652 reached by 990 inputs
The probability of a single fixed point in in 10**7 numbers is quite
small.
On Jul 6, 2008, at 4:32 PM, Tim Peters wrote:
trying 7 digits
000 reached by 10 inputs
8429652 reached by
kirby urner [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Yutaka Nishiyama has this interesting article in the March 2006 issue
of Plus, entitled 'Mysterious number 6174'.
The theorem in this article is as follows: any 4-digit positive
integer, stipulating all 4 digits *not* be
[Massimo Di Pierro]
This is interesting
[Tim Peters]
trying 7 digits
000 reached by 10 inputs
8429652 reached by 990 inputs
[Massimo]
The probability of a single fixed point in in 10**7 numbers is quite small.
Well, note that the program was looking for cycles, not for fixed
[Tim Peters]
...
trying 7 digits
000 reached by 10 inputs
8429652 reached by 990 inputs
[Massimo Di Pierro]
This is interesting
The probability of a single fixed point in in 10**7 numbers is quite small.
[Tim]
[elaborates, but doesn't really explain anything ;-)]
I think a key