kidzsearch.com > wiki
Integers are the whole numbers and their negatives. Integers are a rational numbers and a real numbers 
These are some of the integers:
Integers consist of all of the numbers that have no decimal expansion. In other words, they have only zeros after their decimal, which we normally choose not to write. 0 is also an integer, even though it has no positive nor negative signs. Integers are a countable subset of the rational numbers and real numbers.
Consecutive integers are integers that come after each other, like
- Negative numbers have a minus (−) in front of the number.