positiveInteger data type
The xs:positiveInteger data type represents a positive integer that is greater than or equal to 1. Derived from the xs:nonNegativeInteger data type.
The lexical form of xs:positiveInteger is an optional
positive sign (+) that is followed by a finite-length sequence of
decimal digits. The range that can be represented by this data type
is from +1 to +9223372036854775807. The following numbers are valid
examples of this data type: 1, 12678967543233, and +100000.