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Owlet puzzle #54

Released Friday, August 28, 2026 UTC

371
the answer for puzzle #54

The five clues

  1. A three-digit odd number.
  2. A three-digit odd number whose digit sum is prime.
  3. A three-digit narcissistic number between 370 and 407.
  4. Sum of the cubes of its digits equals itself.
  5. Second of exactly four three-digit narcissistic numbers.

Backstory

371 = 3³ + 7³ + 1³ = 27 + 343 + 1 is a three-digit narcissistic (Armstrong) number. The complete base-10 list of three-digit narcissistic numbers is exactly 153, 370, 371, and 407 — narcissistic numbers exist in every base but are finite in each.

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