BARS::4x4 Sign at Hualapai Mountain Park in Arizona

This road sign is at Hualapai Mountain Park in Arizona. This sign was visited the day after Pi Day 2017.

The road sign says...

+----------+
|  4 X 4   |
| Vehicles |
|   Only   |
+----------+
   the numbers are:  4  4

   the math is:  4 = 4

   rsStateEval:  4! + 4! = 48
   rsStateEval:  4! * sqrt(4) = 48
   * Arizona was the 48th state admitted to the Union.

   rsCardinalityEval:  4 / sqrt(4) = 2
   rsCardinalityEval:  sqrt(sqrt(4 * 4)) = 2
   * There are two numbers in this sign.

   BARSfunc math:  spf(4) = 4
   * spf(n) = the sum of the prime factors of n
     domain: n must be a composite number
   * spf(4) = 2+2 = 4

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 18 March 2017

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 United States License.
Because It Was the Day After Pi Day 2017...