16 lines
327 B
PHP
16 lines
327 B
PHP
<?php
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$num = 3;
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$result =0;
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for($num = 3; $num < 99999; $num++) {
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$sum = 0;
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foreach(str_split($num) as $digit) {
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$sum += fact($digit);
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}
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if($sum == $num) { $result += $sum;}
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}
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echo $result;
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function fact($int){
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static $facts = array(1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880);
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return $facts[$int];
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} |