Square Root 12345678987654321

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?




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The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

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The black one says, 'We have 28 legs altogether.'

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There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.