0789

0789 is the four-digit representation of the integer 789, typically used in contexts that require fixed-width formatting or string codes. As a numeric value, it equals 789.

In mathematics, 789 factors as 3 × 263, making it a semiprime (the product of two primes). It is odd, not a multiple of 5, and the sum of its digits is 24, which is divisible by 3. In base representations, 789 is 789 in decimal, 0x315 in hexadecimal, and 1100010101 in binary. The Roman numeral representation is DCCLXXXIX.

Historically, the year 789 CE falls in the early medieval period. Across different regions, events of that era occurred within evolving political and cultural landscapes, but there is no single globally defining event tied to that year.

In computing and numeral notation, numbers written with a leading zero can denote octal literals in some programming languages. Since octal digits range only from 0 to 7, a literal like 0789 is invalid as an octal constant in those languages because it contains digits 8 and 9. Some languages or settings treat leading zeros as plain decimal formatting or interpret them under different rules, so 0789 may simply represent the decimal number 789 in those contexts.

In summary, 0789 primarily serves as a formatted form of the number 789, with mathematical properties that identify it as a semiprime and representations across multiple numeral systems.