This road sign is the eastbound I-10 off-ramp for Benson, Arizona.

The road sign says...

+--------------------+ | AZ Hwy-80 East 2 | | Bisbee 51 | | Douglas 76 | +--------------------+the numbers are: 80 2 51 76 rsAgeEval: 51 + sqrt(80 - 76) / 2 = 52 * RoadHacker was 52 years young when he found this road sign. rsStateEval: 51 - avg(2, 80 - 76) = 48 * Arizona was the 48th state admitted to the Union. rsTweetLenEval: 80 + sqrt(76 - 51)! / 2 = 140 * 140 is the maximum length of a Twitter posting (tweet). observe... 76 - 51 = 25; sqrt(25) = 5; 5! = 120 80 + 120 / 2 = 80 + 60 = 140 off-by-one math: cuberoot(51 - (80 - 76)!) = 2 + 1 observe... 80 - 76 = 4; 4! = 24; 51 - 24 = 27; cuberoot(27) = 3 spf(n) = the sum of the prime factors of n spf(80) = 13; spf(76) = 23; spf(51) = 20 BARSfunc math: 2 * (spf(76) - spf(80)) = spf(51)

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

**Created:** 28 December 2009

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