0.269606351971674...
This number is neither prime nor composite.
Single Curio View: (Seek other curios for this number)
1/2 - 1/3 + 1/5 - 1/7 + 1/11 - 1/13 + ... = 0.269606351971674 ... .
Submitted: 2003-01-20 02:58:46; Last Modified: 2022-05-22 21:39:12.
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