So siehts ganz gut aus !

node_modules/es5-ext/number/#/index.js

@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = {
+	pad: require("./pad")
+};

node_modules/es5-ext/number/#/pad.js

@@ -0,0 +1,15 @@
+"use strict";
+
+var pad      = require("../../string/#/pad")
+  , toPosInt = require("../to-pos-integer")
+
+  , toFixed = Number.prototype.toFixed;
+
+module.exports = function (length/*, precision*/) {
+	var precision;
+	length = toPosInt(length);
+	precision = toPosInt(arguments[1]);
+
+	return pad.call(precision ? toFixed.call(this, precision) : this,
+		"0", length + (precision ? 1 + precision : 0));
+};