The number "IV" represents the numeral four in Roman numerals. Roman numerals are a system of numerical notation used in ancient Rome, where letters from the Latin alphabet are combined to signify values. In this system, "I" stands for one, "V" for five, and "X" for ten. Therefore, "IV" is formed by placing "I" before "V," indicating one less than five. In various contexts, the number four holds significance. For example, there are four seasons in a year: spring, summer, autumn, and winter. Additionally, many cultures consider the number four to symbolize stability and balance, often represented by the four cardinal directions: north, south, east, and west.