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# 10 digit number

17 replies to this topic

### #11 comperr

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Posted 20 June 2007 - 02:13 PM

1000001007
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### #12 skale

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Posted 20 June 2007 - 06:00 PM

Damn my dyslexia!
It must be a typo, otherwise the etc wouldn't make sence.

Sort it out Skale!!!

my bad.. its a well-known puzzle elsewhere, the 1st digit is number of zero's, 2nd number of one's, 3rd number of two's and so on...

To extend it further, if we were to take the subspace of ten digits, (0,1,2,...9) and start with single digit (cause the only digit has to be number of zero's) no number will fit in. What if two digits are allowed, three and so on....
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### #13 rockypg

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Posted 21 June 2007 - 09:35 AM

1000001007

err.. wrong comperr..
1 in the first place means, there has to be just one 0 in the number

Here's a simple first check you should perform on any number you think might be the solution: Adding all the digits in the number should give you a sum of 10.
for eg, in nick's soulution 6210001000
6+2+1+1 is 10

R
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### #14 comperr

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Posted 22 June 2007 - 11:26 PM

woops - wrong forum
I tend to have at least 30 tabs open (not an exageration)....sorry.
*goes to work on this problem now*
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### #15 Qautro Angelz

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Posted 09 August 2007 - 09:01 AM

I'm guessing that there are several solutions to this!?

Here's mine:
6210001000

There are six 0's two 1's and one 2!

Hey there, I think you still have this one wrong. Your puzzle states: "Can you find a ten digit where the 1st digit equals the number of zeroes, 2nd digit equals number of 1's, third digit equals number of 3's and so on.."

6210001000 does not meet this criteria. "third digit equals number of 3's" Your third digit is a one and so there should be one three in your answer. Or perhaps your question has a typo?

he said third digit = # of 2s nt 3s
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### #16 infomaniac.nick

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Posted 09 August 2007 - 09:28 AM

I'm guessing that there are several solutions to this!?

Here's mine:
6210001000

There are six 0's two 1's and one 2!

Hey there, I think you still have this one wrong. Your puzzle states: "Can you find a ten digit where the 1st digit equals the number of zeroes, 2nd digit equals number of 1's, third digit equals number of 3's and so on.."

6210001000 does not meet this criteria. "third digit equals number of 3's" Your third digit is a one and so there should be one three in your answer. Or perhaps your question has a typo?

he said third digit = # of 2s nt 3s

If you took the time to look at the post properly, you'd see that he editted the qustion AFTER I posted that!
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### #17 rookie1ja

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Posted 09 August 2007 - 09:38 AM

I have posted this puzzle (and 1 variation) as well - check 10-digit Number
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### #18 Martini

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Posted 09 August 2007 - 05:21 PM