Find a seven digit number which describes itself

5,610

$$3211000$$

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user193013
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Updated on August 01, 2022

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  • user193013
    user193013 3 months

    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.