This road sign is on westbound US Hwy-180 in New Mexico.

The road sign says...

+---------------+ | City of Rocks | | State Park -> | +---------------+ +-------------------------+ | Gila National Forest 39 | | Lake Robers 51 | | Gila Cliff Dwelling 74 | +-------------------------+the numbers are: 39 51 74 Note: RoadHacker was 52 years young when he found this sign. The only equations contained in this BARS when it was posted were rsAgeEvals and the equations used the BARS functions: floor(n), ceil(n), spf(n). BARSfunc rsAgeEval: 51 + floor(74 / 39) = 52 * 74 / 39 = 1.897435897435897435... * floor(1.897435) = 1 BARSfunc rsAgeEval: 51 + ceil(39 / 74) = 52 * 39 / 74 = 0.52702702702... * ceil(0.52702) = 1 observe... spf(n) = the sum of the prime factors of n spf(39) = 3 + 13 = 16 spf(51)= 3 + 17 = 20 spf(74) = 2 + 37 = 39 BARSfunc rsAgeEval: 51 + spf(74) / 39 = 52 51 + 39 / 39 = 52 51 + 1 = 52 BARSfunc rsAgeEval: 74 - sqf(51) - sqrt(sqrt(spf(39)) = 52 74 - 20 - sqrt(sqrt( 16 ) = 52 74 - 20 - sqrt( 4 ) = 52 74 - 20 - 2 = 52RoadHacker::Pictures::City of Rocks State Park in New Mexico

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

**Created:** 24 July 2009

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