Answer
1995 is not perfect because:
1 + 3 + 5 + 7 + 15 + 19 + 21 + 35 + 57 + 95 + 105 + 133 + 285 + 399 + 665 ≠ 1995
Related links:
- All calculations
- Is 1995 a composite number?
- Is 1995 an even number?
- Is 1995 an irrational number?
- Is 1995 an odd number?
- Is 1995 a perfect square?
- Is 1995 a prime number?
- Is 1995 a rational number?
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- What are the multiples of 1995?
- What is the prime factorization of 1995?