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This number is a prime.
Single Curio View: (Seek other curios for this number)191 is the smallest prime such that the sum of the reciprocals of the primes less than or equal to it begins with the digits of the next prime. Thus, 1/2 + ... + 1/191 = 1.9337.... [Rupinski]
Submitted: 2002-09-13 21:56:10; Last Modified: 2008-01-30 17:28:00.
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