Problem: Digital Square Numbers

Here are the nine digits so arranged that they form four square numbers: $9,$ $81,$ $324,$ $576.$ Now, can you put them all together so as to form a single square number— 1. the smallest possible, and 1. the smallest possible, and

Solutions: 1

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Project Gutenberg

  1. Dudeney, H. E.: "Amusements in Mathematics", The Authors' Club, 1917

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