0783

0783 is a four-digit string that is numerically equal to 783. In mathematics, 783 is an odd composite number with prime factorization 3^3 × 29. Its positive divisors are 1, 3, 9, 27, 29, 87, 261, and 783. The digit sum is 18, so the number is divisible by 3 and by 9. It is not a prime, not a perfect square, and not a perfect cube.

In computing, leading zeros can indicate octal notation in some programming languages; since 0783 contains the digit 8, it is not a valid octal literal in such systems. In other contexts, 0783 is simply a decimal number equal to 783 or a string identifier preserved with a fixed width, such as an account or catalog code.

As a calendar year, 783 can refer to 783 CE in the early medieval period or 783 BCE in the ancient era, depending on the era system used. If used in modern databases or numbering schemes, 0783 may serve as a code that encodes a region, item, or sequence; the precise meaning is defined by the system using it.