Owlet puzzle #42
Released Sunday, August 16, 2026 UTC
12345
the answer for puzzle #42
The five clues
- A five-digit multiple of fifteen.
- Its digits are the integers 1 through 5 in order.
- Divisible by 3 and by 5.
- Product 3 · 5 · 823 — three prime factors.
- The natural counting climb to five.
Backstory
12345 = 3 · 5 · 823 (with 823 prime) is often listed as the world's most common weak numeric password. As a digit-run 1-2-3-4-5, it appears in Kaprekar-adjacent play: reverse and subtract yields 54321 − 12345 = 41976, whose digits sum to 27 = 3³.
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