19102010

19102010 is an eight-digit numeral that is most commonly read as a date in the day-month-year format, 19 October 2010. In many parts of Europe and other regions that use dd/mm/yyyy, the sequence 19102010 corresponds directly to that date. Other common representations include 19-10-2010 and 2010-10-19. If interpreted as a calendar date, 19 October 2010 fell on a Tuesday in the Gregorian calendar.

As a number, 19102010 equals 19,102,010. It is divisible by 2, 5, and 10, with prime factorization beginning 2 × 5 × 1,910,201. The sum of its digits is 14, so the number is not divisible by 3 or 9. The eight-digit form is readily sortable in lexical and numerical formats, which makes it useful in file naming and datestamping systems that rely on a single continuous string.

In information systems and data management, an eight-digit date-like string such as 19102010 can serve as an identifier, timestamp shorthand, batch code, or version tag when paired with context or a delimiter. The meaning of 19102010 is not intrinsic and depends on the conventions of a given organization, locale, or software.

See also: date formatting, ddmmyyyy, yyyymmdd, datestamp.