This number is a composite.
Single Curio View: (Seek other curios for this number)The numbers 6*1280+1, 12*1280+1, and 18*1280+1 are all prime. Hence their product is 2718439856641 which is the smallest Carmichael number that uses all of the first nine digits. [Patterson]
Submitted: 2002-10-04 14:03:01; Last Modified: 2008-01-30 11:28:00.
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