This road sign is on northbound AZ Hwy-85.

The road sign says...

+------------------+ | Ajo 10 | | Gila Bend 53 | +------------------+the numbers are: 10 53 rsAgeEval: log(10) + 53 = 54 * RoadHacker was 54 years young when he found this road sign. BARSfunc rsCardinalityEval: spf(reverse_digits(53)) - 10 = 2 * There are two numbers in this road sign. * reverse_digits(n) = the digits of n reversed domain: n must be a prime number * reverse_digits(53) = 35 * spf(35) = 5+7 = 12 * spf(n) = the sum of the prime factors of n domain: n must be a composite number off-by-one rsCardinalityEval: 53 % 10 = 2+1 * There are two numbers in this road sign. off-by-one rs42Eval: 53 - 10 = 42+1 * 42 is the "Answer to Life, the Universe, and Everything"

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

**Created:** 26 May 2012

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