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1242 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 1242 = 1/2(sigma(1242)-phi(1242)). It is interesting that all numbers less than 1242 with this property are 12 & 42. [Firoozbakht]
Submitted: 2004-10-08 08:17:07; Last Modified: 2008-01-30 11:28:00.
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