17
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If we included 11 in the diagram below, which node would it connect to?

enter image description here

Hint 1

Above is a directed graph showing a consistently-applied relation between numbers.

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23
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6, because eleven has 6 letters

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2
  • 1
    $\begingroup$ Matt Parker did a whole video on that. $\endgroup$ Apr 23 '20 at 13:17
  • $\begingroup$ @DarrelHoffman That video was the inspiration for making this puzzle! $\endgroup$
    – Galen
    Apr 23 '20 at 15:13

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