0002

0002 is a four-digit string composed of leading zeros and the digit 2. In decimal arithmetic it represents the integer 2, with the leading zeros used to achieve a fixed width in data formats.

In computing and information processing, leading zeros are used to ensure consistent field lengths in databases, file names, versioning, and serial numbers. As a result, 0002 may appear as an identifier, a year in a four-digit date format, or as a version or code token in software releases, hardware inventories, or document control systems. In programming languages, formatting functions such as printf("%04d", 2) produce 0002 to maintain alignment.

Historically, 0002 can denote the year 2 in the Common Era when years are written with leading zeros in some archival or database contexts. In library cataloging and digitized datasets, years are sometimes stored with fixed four-digit fields, making 0002 a possible representation of year 2.

Because 0002 has no inherent meaning beyond the digits it contains, its significance depends on context, such as a code, date, or numeric value in a dataset.

See also: leading zeros, fixed-width formatting, zero padding, versioning.