Answer
1689 is not perfect because:
1 + 3 + 563 ≠ 1689
Related links:
- All calculations
- Is 1689 a composite number?
- Is 1689 an even number?
- Is 1689 an irrational number?
- Is 1689 an odd number?
- Is 1689 a perfect square?
- Is 1689 a prime number?
- Is 1689 a rational number?
- What are the factors of 1689?
- What are the multiples of 1689?
- What is the prime factorization of 1689?