Digital root: Difference between revisions

== {{header|TypeScript}} ==

{{trans|ASIC}}

<lang javascript>// Digital root

function rootAndPers(n: number, bas: number): [number, number] {

var pers = 0;

while (n >= bas)

{

var s = 0;

do

{

s += n % bas;

n = Math.floor(n / bas);

} while (n > 0);

pers++;

n = s;

}

return [n, pers];

}

function intToString(n: number, wdth: number): string {

sn = (Math.floor(n)).toString();

len = sn.length;

return (wdth < len ? "#".repeat(wdth) : " ".repeat(wdth - len) + sn);

}

for (var a of [1, 14, 267, 8128, 39390, 588225, 627615])

{

var rp = rootAndPers(a, 10);

console.log(intToString(a, 7) +

intToString(rp[1], 6) + intToString(rp[0], 6));

}

</lang>

{{out}}

<pre>

1 0 1

14 1 5

267 2 6

8128 3 1

39390 2 6

588225 2 3

627615 2 9

</pre>