or 232/345, and decimals such as 44.3. Even irrational numbers like pi or the square root of 2 are positive unless you prefix them with a negative sign.

Is 3 a positive integer?

Positive integers are all integers greater than zero: 1, 2, 3, 4, 5, …. Negative integers are the opposite of these integers: -1, -2, -3, -4, -5, …. …if an integer is greater than zero, we say its sign is positive. If an integer is less than zero, we say its sign is negative.