853

853 is a natural number that follows 852 and precedes 854. It is a prime number, meaning it has no positive divisors other than 1 and itself. It is also an odd number and greater than 2.

In different numeral systems, 853 is represented as 0x355 in hexadecimal, 1101010101 in binary, and DCCCLIII in Roman numerals.

The international dialing code +853 is assigned to Macau, used for telephone calls to the Macau Special Administrative Region.

In historical chronology, the year 853 CE denotes a point in the early medieval period, a time characterized by regional political changes and ongoing interactions across Eurasia.