BARS::13 Miles From Ocotillo, California

This road sign is on eastbound I-8 in California.

The road sign says...

   +-----------------+
   | Ocotillo     13 |
   | El Centro    42 |
   +-----------------+
   the numbers are:  13  42

   rsAgeEval:  13 + 42 = 55
   * RoadHacker was 55 years young when he found this road sign.

   off-by-one rsCardinalityEval:  42 % 13 = 2+1
   * There are two numbers in this road sign.

   BARSfunc rs42Eval:  sqrt(42^sqrt(sum_digits(13))) = 42
   * 42 is the "Answer to Life, the Universe, and Everything"
   * sum_digits(n) = sum the digits of n
     domain:  n must be a prime number
   * 13 is a prime number; sum_digits(13) = 4

   BARSfunc off-by-one math:  spf(42) = 13-1
   * spf(n) = the sum of the prime factors of n
     domain:  n must be composite number
   * 42 is a composite number; spf(42) = 2+3+7 = 12

This road sign was used as an example of a rsAgeEval.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 11 July 2012

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