12345...54321 (91-digits)

                                                     1 2345678909 8765432123
4567890987 6543212345 6789098765 4321234567 8909876543 2123456789 0987654321

Just showing those entries submitted by 'Patterson': (Click here to show all)

+ A pandigital prime palindrome that contains each digit at least 5 times. [Patterson]

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