Temp: order by rank in database

test.php

<?php

function prettify($str)
{
    $length = strlen($str) - 2;

    if ($length > 10) {
        $str = sprintf('%s%s[%sx 0]%s%s', substr($str, 0, 3), '...', $length - 3, '...', substr($str, $length));
    }
    return $str;
}

foreach ([5, 10, 15, 33, 66, 16383] as $digits) {
    $value = 1;
    $lastValue = '';
    $i = 0;
    while (true) {
        $value = rtrim(bcdiv($value, 2, $digits), '0');
        if ($value === '0.') {
            echo ((strlen($lastValue) - 2) . " digit after decimal point | iteration:" . ($i) . " | " . prettify($lastValue)) . PHP_EOL;
            break;
        }
        $lastValue = $value;
        $i++;
    }
}


/*
5 digit after decimal point | iteration:16 | 0.00001
10 digit after decimal point | iteration:33 | 0.0000000001
15 digit after decimal point | iteration:49 | 0.0...[12x 0]...01
33 digit after decimal point | iteration:109 | 0.0...[30x 0]...01
66 digit after decimal point | iteration:219 | 0.0...[63x 0]...01
16383 digit after decimal point | iteration:54423 | 0.0...[16380x 0]...01
*/