This road sign is on northbound AZ Hwy-87 in Arizona.

The road sign says...

+----------------+ | Winslow 51 | | Jct I-40 55 | +----------------+the numbers are: 40 51 55 rs42Eval: 40 + sqrt(55 - 51) = 42 * 42 is the "Answer to Life, the Universe, and Everything" rsRomanNumeralEval: log(40 / (55 - 51)) = I * note: 1st time use of this type of evaluation spf(40) = 2+2+2+5 = 11; spf(51) = 3+17 = 20; spf(55) = 5+11 = 16 * spf(n) = the sum of the prime factors of n BARSfunc off-by-one rsStateEval: spf(40) + spf(51) + spf(55) = 48-1 * Arizona was the 48th state admitted to the Union. BARSfunc math: spf(51) * sqrt(sqrt(spf(55))) = 40 BARSfunc off-by-one rsAgeEval: spf(40) + spf(51) * sqrt(sqrt(spf(55))) = 52-1 * MathBabbler was 52 years young when he found this equation.Note: RoadHacker found this road sign during May of 2006, but it was not turned into a BARS until 24 February 2010.

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

**Created:** 24 February 2010

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