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Guest Message by DevFuse

# A self-referential number

Started by BMAD, Jul 20 2013 05:50 AM

2 replies to this topic

### #1

Posted 20 July 2013 - 05:50 AM

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

### #2

Posted 20 July 2013 - 01:54 PM Best Answer

Spoiler for maybe

### #3

Posted 22 July 2013 - 09:23 PM

Spoiler for

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