500 (number)
From Halbeeg, the open encyclopedia · Af-Soomaali
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500 is a natural number that comes after 499 and before 501. It is the product of five and one hundred, making it one of the whole numbers used in measuring large quantities. In the decimal number system, it consists of three digits: 5, 0, 0.
Because it equals half of one thousand, 500 appears regularly in measurements, currency, and units of quantity. The terms "half a thousand" and "five hundred" have the same meaning in the decimal system.
Mathematical properties
500 is an even number. Its divisors are 1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, and 500. Its prime factorization is 2² × 5³. Because its only prime factors are 2 and 5, the fraction 1/500 terminates in the decimal system without repeating.
Representation in other number systems
In Roman numerals, 500 is written as D. In binary it is 111110100. In hexadecimal it is 1F4.
Common uses
The number 500 appears in various currency denominations and measurement units for goods, such as 500 grams or 500 milliliters. It is also used in listings of major companies and in long-distance competitions. In web protocols, the HTTP status code 500 indicates a server-side error.