Hacktoberfestmine/armstrong.js at main · pythonites/Hacktoberfestmine · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
function power(x, y)
{
    if( y == 0)
        return 1;
    if (y % 2 == 0)
        return power(x, parseInt(y / 2, 10)) *
               power(x, parseInt(y / 2, 10));

    return x * power(x, parseInt(y / 2, 10)) *
               power(x, parseInt(y / 2, 10));
}

// Function to calculate
// order of the number
function order(x)
{
    let n = 0;
    while (x != 0)
    {
        n++;
        x = parseInt(x / 10, 10);
    }
    return n;
}

// Function to check whether the
// given number is Armstrong number
// or not
function isArmstrong(x)
{

    // Calling order function
    let n = order(x);
    let temp = x, sum = 0;
    while (temp != 0)
    {
        let r = temp % 10;
        sum = sum + power(r, n);
        temp = parseInt(temp / 10, 10);
    }

    // If satisfies Armstrong condition
    return (sum == x);
}

let x = 153;
if(isArmstrong(x))
{
    document.write("True" + "</br>");
}
else{
    document.write("False" + "</br>");
}
x = 1253;
if(isArmstrong(x))
{
    document.write("True");
}
else{
    document.write("False");
}