63,504

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Number

$63 \, 504$ (sixty-three thousand, five hundred and four) is:

$2^4 \times 3^4 \times 7^2$

The $252$nd square number:

$63 \, 504 = 252 \times 252$

The smallest EPORN which is not a multiple of $10$:

$63 \, 504 = 252 \times 252 = 144 \times 441 = \paren {2^2 \times 3^2 \times 7} \times \paren {2^2 \times 3^2 \times 7} = \paren {2^4 \times 3^2} \times \paren {3^2 \times 7^2}$

Also see

• EPORN/Examples/63,504

• Previous  ... Next: Square Number

Sources

• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $63,504$