Question

all number from 1 to infinity are called natural numbers. what is only a 0 called

Answer 1

Natural numbers ( ): The countingnumbers {1, 2, 3, ...} are commonlycalled natural numbers; however, other definitions include 0, so that the non-negative integers {0, 1, 2, 3, ...} are alsocalled natural numbers. ... They can be positive, negative, or zero. All rationalnumbers are real, but the converse is not true.