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Single Curio View: (Seek other curios for this number) 19 is the largest prime factor of 1444  the smallest perfect square to end in three 4's. Note that 4 is the only nonzero digit that can repeat at the end of a perfect square, and the most consecutive 4's that can appear in such a place is three. [Litman]
Submitted: 20040129 20:06:25; Last Modified: 20080130 11:28:00.
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