800 is a numerical value representing the number eight hundred. It is a whole number that falls between 799 and 801 on the number line. In numerical form, it is composed of the digit 8 followed by the digit 0 and the digit 0 again. It is considered an even number since it is divisible evenly by 2.

800 is often used as a round figure or milestone in various contexts. It is a particularly significant number when it comes to financial matters such as currency denominations or amounts. For instance, in some currencies, banknotes with the denomination of 800 exist, representing a significant value. Similarly, in various financial transactions or accounting practices, the number 800 might serve as a marker of a substantial sum or a rounded figure used for calculations or estimations.

Furthermore, 800 is frequently employed to describe the total quantity or capacity of things. It can denote the number of people, items, or units involved in a particular situation, such as an event attendance, product inventory, or fleet size. Its usage can also extend to indicating time, where 800 might signify a predefined duration or a timing for an activity. In telecommunications, 800 is often linked to toll-free phone numbers, implying that the associated calls can be made without charge by the caller.