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Single Curio View: (Seek other curios for this number) 9985*720^2329+1 is prime. Note that 9985 is a Chiliagonal number and 720=6!. Also the sum of digits as well as the sum of squared digits of 9985*720^2329+1 are both prime. [Earls]
Submitted: 20040903 08:41:35; Last Modified: 20140809 15:58:22.
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