- Jul 25, 2004
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I have in mind five five-digit numbers. For each of them, five of the following ten statements are true;
1. It contains two zeros
2. It is a perfect cube
3. It is the product of five successive numbers
4. It is a perfect square
5. The central digit is a 5
6. The sum of the digits is a square or cube, or has both its digits the same
7. It is not prime, but has only one prime factor
8. It is a power greater than the third
9. It is a palindromic square of a palindrome
10. The first and last digits put together in that order form a perfect square
What are the five numbers?
1. It contains two zeros
2. It is a perfect cube
3. It is the product of five successive numbers
4. It is a perfect square
5. The central digit is a 5
6. The sum of the digits is a square or cube, or has both its digits the same
7. It is not prime, but has only one prime factor
8. It is a power greater than the third
9. It is a palindromic square of a palindrome
10. The first and last digits put together in that order form a perfect square
What are the five numbers?
