19131998
19131998 is a numeric string formed by the concatenation of two four-digit years, 1913 and 1998. In written or data contexts it can appear as a compact representation of a time-related concept, but it is not a standard notation by itself. Its meaning depends on accompanying context, and without it the string is ambiguous.
One common interpretation is a lifespan. In biographical entries, a person born in 1913 and who died
Another interpretation is a time span. The sequence from 1913 to 1998 can denote the duration of
In data management, 19131998 can function as an identifier or code, such as a file name, catalog
Context is essential for correct interpretation. In standard writing, it is preferable to use 1913–1998 for