Owlet puzzle #62
Released Saturday, September 5, 2026 UTC
233
the answer for puzzle #62
The five clues
- A three-digit number under 250, digit sum 8.
- A prime Fibonacci number.
- A three-digit number equal to 8² + 13².
- The Fibonacci number that immediately precedes 377.
- The 13th Fibonacci number, and one of the few prime Fibonacci numbers below 10,000.
Backstory
233 is F(13), a prime Fibonacci number, and 2, 3, and 13 are all Fibonacci indices that are themselves prime. It's also the sum of two consecutive squares: 8² + 13² = 64 + 169 = 233, connecting Fibonacci to sums of squares.
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