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Four-Digit Whole Number
Puzzles
->
Number Puzzles
There is one four-digit whole number n, such that the last four digits of n
2
are in fact the original number n.
.
-\./^\./-
Do you have the answer? Check against
our solution
!
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There is one four-digit whole number n, such that the last four digits of n2 are in fact the original number n.