6578

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Number

$6578$ (six thousand, five hundred and seventy-eight) is:

$2 \times 11 \times 13 \times 23$

The smallest positive integer which can be expressed as the sum of $3$ fourth powers in $2$ different ways:

$6578 = 1^4 + 2^4 + 9^4 = 3^4 + 7^4 + 8^4$

Also see

• Positive Integer Sum of 3 Fourth Powers in 2 Ways

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $6578$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $6578$