Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

JavaScript

w=function(s){document.writeln(s);}

function consec(n)
{
    for (i = 2; i * i / 2 < n; i++)
        if ((i % 2 == 1 && n % i == 0) ||
            (i % 2 == 0 && (n + i / 2) % i == 0))
            return true;
    return false;
}

w('<pre>');

for (z = 2; z < 50; z += 2)
    w(z + ': ' + consec(z));

n=prompt(r=i=1)|0;
while(r&++i*i/2<n)if(i%2&!(n%i)
|!(i%2|(n+i/2)%i))r=!r;alert(!r)

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JSFiddle - React, Tailwind, and code Playground

JavaScript

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Join the 4+ million users, and keep the JSFiddle dream alive.

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Use pre-released features

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Console