{id: 1810, name: "2652joaodasilva", username: "", password: ""}
 {id: 2744, name: "3704DiegoSerri", username: "", password: ""}

<tr ng-repeat="clientes in list_clients">
      <td class="text-center">{{clientes.name}}</td>
  </tr>

{{clientes.name.substring(4, clientes.name.length)}}

{{clientes.name.slice(4, clientes.name.length)}}