Number A mathemtical object used in counting and measuring. Zahl Integer A number that can be written without requiring a fractional or decimal part. Ganze Zahl Z Positive number All numbers bigger than 0. Positive Zahl 0 Number A positive integer, i.e. a number greater than zero that can be written without requiring fractional or decimal components. Natürliche Zahl N Prime number A number with no factors but itself and 1. Primzahl 1 Value Connects an integer individual with the integer literal. In OWL Full one may state that this property is a subproperty of owl:sameAs, and thus that the individuals and the literals are denoting the same entity. Wert greater than A number that is smaller than the given one, i.e. 5 greaterThan 3. größer als > less than A number that is bigger than the given one, e.g. 8 lessThan 5 is correct. kleiner als < Successor The number that is the sucessor of a number. Nachfolger +1 Predecessor The number that is predecessing this one. Vorgänger -1 Prime factor A factor of the number that is a prime at the same time. Primfaktor Digit sum The sum of the individual digits of this number in Base 10. Quersumme Roman literal The roman literal representing the number. Römische Zahl Natural logarithm A number quite close to the natural logarithm of the given value. Natürlicher Logarithmus ln Zero The number 0, i.e. the neutral element on Addition. Null 0 0 0