[n4r9]

Huh, I never knew there was an ambiguity. To me it makes total sense to include negative integers. "Whole" means "without a fractional part".

[lupire]

Is i a whole number?

[auggierose]

Yes and No.

No, it is not even a real number, but every whole number surely is a real number.

Yes, it is a "Gaußsche ganze Zahl".