53
1
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31
7776
531441
123456789
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2
3
4
6
8
9
16
27
32
36
64
81
128
216
243
256
999
1000
1001
9999
10000
10001
99999
100000
100001
999999
1000000
1000001
9999999
10000000
10000001
99999999
100000000
100000001
999999999
1000000000
1000000001
987654321
