422,481

From ProofWiki
Jump to navigation Jump to search

Previous  ... Next

Number

$422 \, 482$ (four hundred and twenty-two thousand, four hundred and eighty-two) is:

$3 \times 140 \, 827$


The $1$st positive integer whose fourth power can be expressed as the sum of $3$ fourth powers, thus refuting Euler's Quartic Conjecture:
$422 \, 481^4 = 95 \, 800^4 + 217 \, 519^4 + 414 \, 560^4$


Also see


Sources