This road sign is on northbound AZ Hwy-72 in Arizona.

The road sign says...

+---------------+ | Bouse 11 | | Parker 37 | +---------------+the numbers are: 11 37 rsStateEval: 11 + 37 = 48 * Arizona was the 48th state admitted to the Union. doublePrimeRS: 11 and 37 are both prime numbers * reverse_digits(n) = the digits of n reversed * domain: n must be a prime number * reverse_digits(11) = 11 and 11 is prime * reverse_digits(37) = 73 and 73 is prime BARSfunc math: log(sum_digits(37)) = mult_digits(11) * sum_digits(n) = sum the digits of n * domain: n must be a prime number * sum_digits(37) = 10 * mult_digits(n) = product of the digits of n * domain: n must be a prime number * mult_digits(11) = 1 BARSfunc rsHwyEval: reverse_digits(37) - mult_digits(11) = 72 * This road sign was found on AZ Hwy-72.This road sign was found on Pi Day 2010.

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

**Created:** 18 March 2010

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