Step 1 : Introduction to the question "5. This number is the atomic number of gallium, the number of days in August, and a common number worn by goaltenders in hockey? What number are we talking about?"
...1. LIX 2. XXI 3. XXXI 4. XIV 30 and 31 have been used for goalies because they were considered safe numbers because most skaters had claimed the numbers 2-29 (one is also a goalie number). Thirty-one is a prime number, as well as 331, 3331, 33 331... all the way to 33 333 331. It was originally believed that all numbers in this pattern, but 333 333 331 can be divided by 17. Thirty-one is the amount of flavours available at ice cream chain Baskin-Robbins. The brand is known as "31 Flavours" in Japan.