Inventory numbers are a unique identifier used to track physical goods in businesses. They allow a business to accurately keep track of their stock levels, as well as quickly reference important information about each item, such as the time it was purchased and selling price. In other words, inventory numbers help businesses create an efficient system for tracking and managing their products. In addition to allowing businesses to control costs by monitoring stock levels, they can also prevent errors related to misplaced or forgotten items. Ultimately, inventory numbers are an essential tool that allows businesses to stay organized and ensure the best possible customer experience.