This road sign is on eastbound US Hwy-136 in Illinois.

The road sign says...

+-----------------+ | San Jose 2 | | McLean 25 | +-----------------+ | East US Hwy-136 | +-----------------+the numbers are: 2 25 136 the math is: sqrt(sqrt(136 - sqrt(25)!)) = 2 BARSfunc math: 25 - spf(136) = 2 * spf(n) = the sum of the prime factors of n domain: n must be a composite number * 136 is composite; spf(136) = 2+2+17 = 23 off-by-one rs42Eval: 136 / 2 - 25 = 42+1 * 42 is the "Answer to Life, the Universe, and Everything"

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

**Created:** 01 June 2014

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