Obtain the appropriate selection in the dropdown based on the model in Angular

I am working on a dropdown menu that contains numbers ranging from 1 to 10.

Below is the HTML code for it:

<div class="form-group">
                        <label>{{l("RoomNumber")}}</label>
                        <p-dropdown [disabled] = "!roomNumbers.length"  [options]="roomNumbers" autoWidth="false"  [style]="{'width':'100%'}" name="numberRoom" [autoWidth]="true" [(ngModel)]="room.roomNumber"></p-dropdown>
                </div> 

This is how I populate the dropdown:

getRoomNumber(): void {
    for (let i = 1; i <= 10; i++) {
        this.roomNumbers.push({label: i.toString(), value: i});
    }
}

When I save the selection to the database, for example, I get '2'.

During editing, I need to repopulate the dropdown with these numbers and pre-select the number saved in the database. How can I achieve this?

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