nextPow - nodef/extra-number GitHub Wiki
Find smallest power-of-n greater than or equal to given number.
function nextPow(x, n)
// x: a number
// n: base
const xnumber = require('extra-number');
xnumber.nextPow(32, 2);
// → 32
xnumber.nextPow(29, 2);
// → 32
xnumber.nextPow(29, 3);
// → 81