4523

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Number

$4523$ (four thousand, five hundred and twenty-three) is:

The $615$th prime number

The smallest number which in binary is non-palindromic but with a palindromic square:

$1000110101011^2 = 1001110000010100000111001$

Also see

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Sources

• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $4523$