11
111
1111
101
1001
0
Assuming that you mean literal reflections.
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1, 8,11,88,101,111,181,808,818,888,1001,1111,1881.
√2000 ≅ 44.7 √3000 ≅ 54.8 The squares of 45 to 54 lie within the range 2000 to 3000. There are thus 10 perfect square numbers between 2000 and 3000.
There are six perfect squares which are factors of 2000.
1000+1000 1000x2
3000