World!Of Numbers |
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Special operations leading towards palindromes 2664662 is a very unique palindrome.It is equal to 121 times the sum of the next 121 integers [Patrick De Geest] or in other words : 2664662 = 121 x (122+123+...+241+242) 2664662 = 121 x (22022) I found two more palindromic products with this property If you find a next one please add it to A037051
Three palindromes 99, 313 and 1441 are related in the following way ! Sum_of_digits{144199} = 1441 [Patrick De Geest] | |||
A000054 Prime Curios! Prime Puzzle Wikipedia 54 Le Nombre 54 Numberland 54 |
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