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## #1 2013-03-17 13:07:22

anna_gg
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### Find the number

What is the smallest natural number such that its double is a perfect square, its triple is a perfect cube and its quintuple is a perfect quint?

## #2 2013-03-17 20:06:27

anonimnystefy
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### Re: Find the number

I would say that

is the number.

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #3 2013-03-17 21:38:51

bobbym

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### Re: Find the number

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4 2013-03-17 21:46:18

anonimnystefy
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### Re: Find the number

Great! We got the same answer!

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #5 2013-03-17 21:57:47

bobbym

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### Re: Find the number

Hard to believe that is the smallest number...

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #6 2013-03-17 22:01:02

anonimnystefy
Real Member

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### Re: Find the number

It is rather large.

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #7 2013-03-17 22:07:32

bobbym

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### Re: Find the number

Huge, as a matter of fact.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #8 2013-03-17 22:24:57

anonimnystefy
Real Member

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### Re: Find the number

6810125783203125000000000000000 is the number.

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #9 2013-03-17 22:30:16

bobbym

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### Re: Find the number

Yes, I know that. She did not comment on the answers yet.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #10 2013-03-17 22:39:00

anonimnystefy
Real Member

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### Re: Find the number

She will.

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #11 2013-03-17 22:55:20

bobbym

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### Re: Find the number

I think so but I am checking.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #12 2013-03-24 23:25:52

anna_gg
Full Member

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### Re: Find the number

Sorry guys, I have been etremely busy for the past week...