Arithmetic & Number Theory
Even or Odd
Classify an integer's parity.
Formula
Formula
n mod 2
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| n | integer to test | integer (ℤ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenn = 42
ResultEven
Example 2
Givenn = 7
ResultOdd