olymmath

DK-GEORGMOHR 1997 Problem 1

    Let n=123456789101112...998999n =123456789101112 ... 998999 be the natural number where is obtained by writing the natural numbers from 11 to 999999 one after the other. What is the 19971997 -th digit number in nn ?

    Dataset text AI-MO AoPS. Quoted with source.

    Official text: Georg Mohr Contest 1997 official paper, page 1.

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