This highway sign is off of US Hwy-191 in Arizona.

The highway sign says...

+--------+ | Apache | | 2116 | | County | +--------+the number is: 2116 split_into_squares_sum(2116) = { 1936, 100, 64, 16 } the numbers become: 1936 100 64 16 the Pi math is: sqrt(1936) / (sqrt(100) + sqrt(64) - sqrt(16)) = Pi (3.14) observe... sqrt(1936) = 44 sqrt(100) = 10 sqrt(64) = 8 sqrt(16) = 4 44/14 = Pi rounded to the nearest hundredth This highway sign was found on Pi Day 2008. rsAgeEval: sum_prime_factors(2116) = 50 observe... prime factors of 2116 are: 2, 2, 23, 23 This highway sign was found when MathBabbler was 50 years young.This highway sign is the largest numbered highway sign in MathBabbler's collection of square-numbered highway signs.

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

**Created:** 03 May 2008 (posted 05 May 2008)

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