Posers and Puzzles

Posers and Puzzles

  1. Standard memberwolfgang59
    Mr. Wolf
    at home
    Joined
    09 Jun '07
    Moves
    46092
    20 Sep '09 10:481 edit
    Which of these numbers is the odd one out?
    331
    3,331
    33,331
    333,331
    3,333,331
    33,333,331
    333,333,331

    and why?
  2. Joined
    11 Nov '05
    Moves
    43938
    20 Sep '09 11:093 edits
    Originally posted by wolfgang59
    Which of these numbers is the odd one out?
    331
    3,331
    33,331
    333,331
    3,333,331
    33,333,331
    333,333,331

    and why?
    Guessing: Has it something to do with Reveal Hidden Content
    primes
    ?
  3. Joined
    12 Mar '03
    Moves
    37893
    20 Sep '09 11:14
    333,333,331 is divisable by 17. The others are prime numbers ... I hope.
  4. Standard memberwolfgang59
    Mr. Wolf
    at home
    Joined
    09 Jun '07
    Moves
    46092
    20 Sep '09 13:50
    Yep! Pretty amazing .... only just come across this phenomenon.
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