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Search: Posts Made By: Neves
Forum: Puzzles 2004-01-29, 20:26
Replies: 15
Views: 4,876
Posted By Neves
41/2 is only and diferent representatio of...

41/2 is only and diferent representatio of sqrt(4).
if you found an other representation for any numbers but using only number 4, you can use it.
as I said before I just listen about this problem,...
Forum: Miscellaneous Math 2004-01-29, 15:59
Replies: 5
Views: 3,157
Posted By Neves
There's an answer here ...

There's an answer here
http://www.mersenneforum.org/showthread.php?t=2007

you can not use 0 only 4 and can not use functions.

now that 51 is know, I will put a little program that I did to...
Forum: Math 2004-01-29, 11:34
Replies: 3
Views: 3,017
Posted By Neves
sorry the miss understood. I mean, I want the...

sorry the miss understood.
I mean, I want the hole list.
01 - 6
02 - 28
03 - 496
04 - 8128
05 - 33550336
06 - ?
.
.
Forum: Puzzles 2004-01-29, 10:56
Replies: 15
Views: 4,876
Posted By Neves
Are you a Math? or just curious as me? I've...

Are you a Math? or just curious as me?
I've never heard about double factorial. If it really exist, I'm sure it's is valid to use. Where can I found more about it?

what I'm really trying to found...
Forum: Math 2004-01-28, 20:23
Replies: 3
Views: 3,017
Posted By Neves
Perfect numbers list

Hi there,
where can I download the full Perfect numbers list?

from the first to the 40th recently founded?
Forum: Puzzles 2004-01-28, 20:14
Replies: 15
Views: 4,876
Posted By Neves
51 problem

Hello,

I'm looking for somebody that know this problem:

using four numbers 4 and the basic operations ( + - * / fatorial pow root ... )
find all number between 0 and 100
example:
0 = 4 + 4 -...
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