0.0203050711131719232...

This number is neither prime nor composite.

                                                                           0
.020305071 1131719232 5293135374 1434749535 5596165677 1737779838 5899195...

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Prime numbers, except 2 and 3, are of the form 6n-1 or 6n+1. This decimal, obtained from the fraction 33500017/1649835000 contains all the numbers from both sequences, in ascending order, up to 95 which is composite. Note that it also contains the primes 2 and 3. [Homewood]