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Dee finds that she has an extraordinary social security number. Its nine digits contain all the digits from 1 to 9. They also form a number with the following characteristics:

  1. When read from left to right the first two digits form a number divisible by two.
  2. The first three digits form a number divisible by three.
  3. The first four digits a number divisible by four, and so on, until the complete number is divisible by 9.

What is Dee's social security number?


marked as duplicate by ffao, athin, Chowzen, Phylyp, gnovice Mar 28 '18 at 2:22

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381654729, not really much explanation.

  • $\begingroup$ Solved! Good Job! $\endgroup$ – DANIEL MESKIN Mar 28 '18 at 2:20

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