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  2. List of prime numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_prime_numbers

    All prime numbers from 31 to 6,469,693,189 for free download. Lists of Primes at the Prime Pages. The Nth Prime Page Nth prime through n=10^12, pi(x) through x=3*10^13, Random primes in same range. Interface to a list of the first 98 million primes (primes less than 2,000,000,000) Weisstein, Eric W. "Prime Number Sequences". MathWorld.

  3. Seven-digit dialing - Wikipedia

    en.wikipedia.org/wiki/Seven-digit_dialing

    All local numbers now had seven-digit, as the last technological hold-outs had given way to modern switching technology. The concept of a ten-digit local number was conceived, as New York had an overlay code (917, implemented in 1992), but seven-digit dialing was still the norm.

  4. Uniform number (American football) - Wikipedia

    en.wikipedia.org/wiki/Uniform_number_(American...

    Cornerback Dré Bly seen in 2007 with numbers visible on the front and shoulders of his uniform. In American football, uniform numbers are displayed on both the front and back of the jersey, and in many cases the sleeves, shoulder pad, or occasionally helmets. The numbers on the front and back are very large, covering most of the jersey.