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<?php $counter = 0; while (true) { $counter++; if(($counter % 17) === 0) { $counterStr = "$counter"; $digSum = 0; for($i = 0; $i < strlen($counterStr); $i++) { $digSum = $digSum + (int) $counterStr[$i]; } if($digSum === 17 && $counterStr[strlen($counterStr) - 2] === "1" && $counterStr[strlen($counterStr) - 1] == "7" && $counter !== 917) { var_dump($counter); break; } } }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
int(15317)
preferences:
165.56 ms | 407 KiB | 5 Q