Ejemplos números

let billion = 1e-6;

console.log(0xFF);
console.log(0b10001);

let num=7;
console.log(num.toString(16));
console.log(num.toString(2));
console.log(num.toString(7));

let suma=0.1+0.2;
console.log(Math.round(suma*100)/100);
console.log(suma.toFixed(2));

let j=Number("aa");
console.log(j);
console.log(Number.isNaN(j));
console.log(j==NaN);

console.log(parseInt('100px'))
console.log(Number('100px'))

for(let i=0;i<10;i++){
    console.log(aleatorio(6,2));
}

function aleatorio(max,min=1){
    return Math.trunc(Math.random()*(max-min+1))+min;
}

Math.max(3,5,1,78,4);