Data update

Task/Tau-number/JavaScript/tau-number.js

@@ -0,0 +1,32 @@
+// Tau number
+
+// Return the Tau (number of divisors) of n
+function tau(n) {
+  var t, limit;
+  if (n < 3) {
+    t = n;
+  } else {
+    t = 2;
+    limit = Math.floor((n + 1) / 2);
+    for (var i = 2; i <= limit; i++)
+      if (n % i == 0)
+        t++;
+  }
+  return t;
+}
+
+console.log("First 100 Tau numbers:");
+var c = 0, p = c % 10;
+var i = 1;
+var out = new Array(10);
+while (c < 100) {
+  if (i % tau(i) == 0) {
+    out[p] = i.toString().padStart(5, ' ');
+    c++;
+    p = c % 10;
+    if (p == 0)
+      console.log(out.join(""));
+  }
+  i++;
+}
+console.log();