, Volume 5, Issue 10, pp 81–89 | Cite as

On IBM’s millennial puzzle

  • A. Sarangarajan
Departmeants Classroom


We give lower and upper bounds on the number ofn-digit numbers that are multiples of 2n and which have no zeros in their decimal representation.


Induction Hypothesis Quadratic Equation Empty Space Digit Number Classroom Situation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Indian Academy of Sciences 2000

Authors and Affiliations

  • A. Sarangarajan
    • 1
  1. 1.Center for Artifical Intelligence and RoboticsBangaloreIndia

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