Even/Odd Number Counter

Math Tools

Analyze numbers to count even, odd, positive, negative values. Get comprehensive number statistics including primes, averages, and ranges.

Number Input
Enter numbers separated by commas, spaces, or new lines
Number Properties
Even: Divisible by 2 (0, 2, 4, 6, 8...)
Odd: Not divisible by 2 (1, 3, 5, 7, 9...)
Prime: Only divisors are 1 and itself
Composite: Has divisors other than 1 and itself
Input Formats
Comma separated: 1, 2, 3, 4
Space separated: 1 2 3 4
Line separated: One number per line
Mixed: Any combination of above
Decimals: 1.5, 2.7, 3.14