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Single Curio View: (Seek other curios for this number) Dudeney numbers are exactly 13, 83, 173, 183, 263, 273. The sum 97 = 1 + 8 + 17 + 18 + 26 + 27 is an emirp. [Poo Sung]
Submitted: 2009-07-19 06:18:17; Last Modified: 2009-07-19 21:58:06.
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