Owlet puzzle #74
Released Thursday, September 17, 2026 UTC
852
the answer for puzzle #74
The five clues
- A three-digit even number below 900.
- A three-digit multiple of twelve whose digits are all different and non-zero.
- The digits form a decreasing arithmetic progression: 8, 5, 2.
- Not prime: factors as 2² · 3 · 71.
- 852 Hz is a frequency used in Solfeggio 'sound healing' — often called the frequency of 'returning to spiritual order.'
Backstory
852's digits form an arithmetic progression with common difference −3: 8, 5, 2. Its factorization is 2² · 3 · 71, and it sits between the primes 853 and 857 — reversing 852 gives 258 = 2·3·43, another integer with digit-AP (difference +3).
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