[3101-3150]

: Parts designed for standard Catalina 27 masts often explicitly state they will not fit hulls numbered 3101–3150 .

: There are exactly 7 prime numbers in this 50-number span (3109, 3119, 3121, 3137, 3149, and others). [3101-3150]

: The Canadian manufacturers utilized a completely different mast extrusion and hardware setup during production, making standard aftermarket rigging incompatible. 🔑 2. Automotive & Hardware: Kawasaki Key Codes : Parts designed for standard Catalina 27 masts

In the world of locksmithing and vintage motorcycle restoration, precise code ranges are vital for decoding and cutting keys without an original copy. 🔑 2

The range has historically been utilized by regional railroads (such as the Richmond, Fredericksburg and Potomac Railroad, or RF&P) to categorize specific classes of freight boxcars.

Outside of specialized industrial applications, looking at the numbers 3101 through 3150 strictly through the lens of mathematics yields a few interesting characteristics:

One of the most specific real-world references to this exact range belongs to the classic sailboat. Built by Catalina Yachts, this vessel is one of the most popular pocket-cruisers in history.