Unless the decimal contains all zeroes to the right of the decimal point (for example, 2.00), it is not an integer, a whole number, or a natural number. The integers are: (...-3, -2, -1, 0, 1, 2, 3, ...); whole numbers are: (0, 1, 2, 3, ...); and natural numbers are: (1, 2, 3, ...). If the decimal is a terminating decimal (e.g., 3.25) or a repeating decimal (e.g., 3.252525252525...), the number is a rational number. If it is a decimal that does not repeat after some number of digits (e.g., pi or sqrt(2)), the number is irrational.
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Every integers are real numbers.more precisely, integers are the subset of R, the set of real numbers.They are whole numbers with no decimals or fractions
Positive integers are (not is!) a proper subset of natural numbers. The natural numbers comprise positive integers and zero.
No. Factors of integers are also integers (whole numbers).
No, prime numbers are positive integers. Decimals are not prime numbers.
Yes.For example 2.0 IS an integer, but note that most decimals are not integers, eg 2.56 is not an integer.Not normally because integers are whole numbers