Smooth Number: Number Theory, Integer, Integer Factorization, Prime Number, Leonard Adleman, Cryptography, Negative and Positive Numbers

Natural Number: Integer, Positive Number, Non Negative

Polite Number: Number Theory, Positive Integer, Young Diagram, Trapezoid

Perfect Totient Number: Number Theory, Integer,

Prime Place: Mathematics, Number Theory, Algebraic Structure, Integer, Field, Unique Factorization