This road sign is on NM Hwy-143 in New Mexico.

The road sign says...

+-----------------+ | STATE PARKS | | Rock Hound 2 | | Spring Canyon 4 | +-----------------+the numbers are: 2 4 the math is: 2 = sqrt(4) off-by-one rsStateEval: 2 * 4! = 47+1 * New Mexico was the 47th state admitted to the Union. BARSfunc math: sqrt(spf(4)) = 2 * spf(n) = the sum of the prime factors of n * spf(4) = 2+2 = 4

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 28 November 2010

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