+**2e3** is a numerical representation, a compact shorthand for 2 × 10<sup>3</sup>, equivalent to the integer 2000. This expression is commonly encountered in [Scientific Notation](/wiki/Scientific_Notation) and [Computer Science](/wiki/Computer_Science) to express numbers efficiently.
+## See also
+- [Number](/wiki/Number)
+- [Exponent](/wiki/Exponent)
+- [Base 10](/wiki/Base_10)