complex-number As a command 16 categories below complex-number Narrow by real-number 12 algebraic-number 9 rational-number 8 integer 7 natural-number 4 irrational-number 1 ratio 1 algebraic-number 9integer 7irrational-number 1natural-number 4rational-number 8real-number 12catalan-numbercomposite-numbereccentricityeven-numberfractiongreatest-common-divisorimaginary-numberodd-numberprime-numbertranscendental-number