8 articles trouvés pour ce sujet.
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Even 5 digit palindromes |
2019-10-24 |
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daniel pose la question : How many palindromes of 5 digits are even? Penny Nom lui répond. |
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Palindromes |
2007-09-04 |
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ANJUM pose la question : Are there palindromes in decimals and fractions? Harley Weston lui répond. |
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A square palindrome |
2006-09-11 |
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Liz pose la question : What is the least three-digit palindrome that is a square number? Stephen La Rocque lui répond. |
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What is the least three-digit palindrome that is a square number? |
2005-02-12 |
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Ben pose la question : What is the least three-digit palindrome that is a square number? Chris Fisher and Penny Nom lui répond. |
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A palindrome question |
2004-09-28 |
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Lilly pose la question : 12, 21, 13, and 31 are the only double-digit numbers whose squares are the palindromes of the squares of the palindromes of double-digit numbers. I was wondering why it works for these numbers, and if only these numbers work this way. Chris Fisher and Penny Nom lui répond. |
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Four digit palindromes |
2003-05-05 |
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Heather pose la question : How many palindromes were in between the numbers 1000 and 9999? Penny Nom lui répond. |
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Five digit palindromes |
2000-11-12 |
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Jacky pose la question : Positive integers such as 1287821 and 4554, in which the number is unchanged when the digits are reversed, are called palindromes. The number of five-digit integers larger than or equal to 10,000 which are not palindromes is... a. 10 000 b. 81 000 c. 89100 d. 90 000 e. 99 100 Penny Mom lui répond. |
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A palindrome |
1999-02-16 |
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panajoti pose la question : Find the smallest number that must be added to 70808 so that the digits would read the same backward or forward. Penny Nom lui répond. |
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