BARS::6 Percent Grade on AZ Hwy-260 in Arizona

This warning sign is on westbound AZ Hwy-260 a few miles east of Camp Verde, Arizona.

The warning sign says...

         /\
        /  \
       /    \
       \ 6% /
        \  /
         \/
   +--------------+
   | Next 9 Miles |
   +--------------+
   the numbers are:  6  9

   the math is:  sqrt(9)! = 6

   observe...
      sqrt(9) = 3
      3! = 3 * 2 * 1 = 6

   more math:  sum_prime_factors(9) = 6

   observe...
      the prime factors for 9 are:  3 and 3

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 30 May 2008

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This work is licensed under a Creative Commons Attribution 3.0 United States License.