Owlet puzzle #87
Released Wednesday, September 30, 2026 UTC
36
the answer for puzzle #87
The five clues
- A two-digit perfect square.
- A perfect square AND a triangular number.
- The smallest number that is both square and triangular (besides 1).
- The number of possible outcomes when rolling two six-sided dice.
- Exactly the number of inches in one yard.
Backstory
36 = 6² and the eighth triangular number T₈ = 1 + 2 + … + 8. It is the smallest positive integer that is both a square and a triangular number greater than 1, and also equals the sum of the first three cubes: 1³ + 2³ + 3³.
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