Answer
4212 is not perfect because:
1 + 2 + 3 + 4 + 6 + 9 + 12 + 13 + 18 + 26 + 27 + 36 + 39 + 52 + 54 + 78 + 81 + 108 + 117 + 156 + 162 + 234 + 324 + 351 + 468 + 702 + 1053 + 1404 + 2106 ≠ 4212
Related links:
- All calculations
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- Is 4212 a perfect square?
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