This road sign was seen on a

ThrillerTV show. The road sign was (is) in California.The road sign says...

+--------------------+ | Solana Beach 1 | | Oceanside 17 | | Los Angeles 105 | +--------------------+the numbers are: 1 17 105 rsCardinalityEval: 1 * (105 % 17) = 3 * There are three numbers is this road sign. ... BARSfunc playground ... 105 is a composite number spf(105) = 3+5+7 = 15 * spf(n) = the sum of the prime factors of n domain: n must be a composite number spd(105) = 1+3+5+7+15+21+35 = 87 * spd(n) = the sum of the proper divisors of n domain: n must be a composite number 17 is a prime number reverse_digits(17) = 71 [note: 71 is prime] * reverse_digits(n) = the digits of n reversed domain: n must be a prime number mult_digits(17) = 1*7 = 7 * mult_digits(n) = product of the digits of n domain: n must be a prime number sum_digits(17) = 1+7 = 8 * sum_digits(n) = sum the digits of n domain: n must be a prime number BARSfunc rsStateEval: spf(105) + 17 - 1 = 31 * California was the 31st state admitted to the Union. sum_digits(17) = BARSfunc math: 105 % sum_digits(17) = 1 BARSfunc math: (105 % mult_digits(17))! = 1 off-by-one BARSfunc math: 17 - 1 = spf(105)+1

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

**Created:** 16 July 2014

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