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Number Series Riddle

Number Series RiddleNumber Series Riddle - 9 October

Find The Next Number in this series ?
1, 2, 6, 42, 1806 ?

For Solution : Click Here

10 comments:

  1. answer is 3263442 ...
    solution
    1 square + 1 = 2
    2 square + 2 = 6
    6 square + 6 = 42
    42 square + 42 = 1806
    1806 square + 1806 = 3263442

    ReplyDelete
    Replies
    1. Agreed.

      Equivalently, each term is the previous term multiplied by one plus the previous term:

      1*2=2
      2*3=6
      6*7=42
      42*43=1806
      1807*1807=3,263,442

      Delete
  2. 3263442
    each number in series "x" multiply "x+1"

    ReplyDelete
  3. answer is 3263442 ...
    solution
    1 square + 1 = 2
    2 square + 2 = 6
    6 square + 6 = 42
    42 square + 42 = 1806
    1806 square + 1806 = 3263442

    ReplyDelete
  4. answer is 3263442 very logic and non striking sequence

    ReplyDelete
  5. It is always number x( number + 1) so it is: 1806*1807 = 3263442.

    ReplyDelete