public static void main ( String [ ] args ) {
  Scanner reader = new Scanner ( System . in ) ;
  int t = reader . nextInt ( ) ;
  while ( t -- != 0 ) {
    int n = reader . nextInt ( ) ;
    int cnt = 0 ;
    while ( n > 1 ) {
      if ( n % 6 != 0 && n % 2 == 0 ) {
        cnt = - 1 ;
        break ;
      }
      if ( n % 6 != 0 ) n *= 2 ;
      else n /= 6 ;
      cnt ++ ;
    }
    System . out . println ( cnt ) ;
  }
}

public static void main ( String [ ] args ) { Scanner reader = new Scanner ( System . in ) ; int t = reader . nextInt ( ) ; while ( t -- != 0 ) { int n = reader . nextInt ( ) ; int cnt = 0 ; while ( n > 1 ) { if ( n % 6 != 0 && n % 2 == 0 ) { cnt = - 1 ; break ; } if ( n % 6 != 0 ) n *= 2 ; else n /= 6 ; cnt ++ ; } System . out . println ( cnt ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (unary_expression operand: (decimal_integer_literal)))) (break_statement))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) alternative: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))))