<label>Items</label>
              <input ng-minlength="2" ng-model="items" name="dInto"
               type="number" class="ng-dirty ng-valid ng-touched">

              <span style="color:red" ng-show="myForm.dInto.$error.type">Please enter a number</span>
              <span style="color:red" ng-show="myForm.dInto.$error.minlength">Must be 2 or more</span>