FERMAT 2001 Problem 11

Past Contests FERMAT FERMAT - 2001
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1

The fourth root of 2001200120012001 (that is, \sqrt[4]{2001200120012001}) is closest to

Answer Choices
A. 2\:001
B. 6\:700
C. 21\:000
D. 12\:000
E. 2\:100