Answer
1990 is not perfect because:
Related links:
- All calculations
- Is 1990 a composite number?
- Is 1990 an even number?
- Is 1990 an irrational number?
- Is 1990 an odd number?
- Is 1990 a perfect square?
- Is 1990 a prime number?
- Is 1990 a rational number?
- What are the factors of 1990?
- What are the multiples of 1990?
- What is the prime factorization of 1990?
