real-number As a command 12 categories below real-number Narrow by algebraic-number 9 rational-number 8 integer 7 natural-number 4 irrational-number 1 ratio 1 integer 7irrational-number 1natural-number 4rational-number 8catalan-numbercomposite-numbereccentricityeven-numbergreatest-common-divisorodd-numberprime-numbertranscendental-number