shall have an unique id
		// - Make sure they have [data-input_number_radix="x"] to specify the radix, else it defaults to 10
		// - Make sure they have [data-list_of_input_radixes_ids_to_update="x"] where X is a space-separated list containing a list of element ids
		//   to update them to show the same number (but with different radix). Make sure that list does not include the ID of itself element, only others.
		// This function requires these functions:
		// - ParseBigIntValue
		let DefaultRadixEventTar