Linux "Stat" Comand | OCTAL Permission

 stat - -format="%a" /path1/subdir

https://www.cyberciti.biz/faq/get-octal-file-permissions-from-command-line-on-linuxunix/

https://unix.stackexchange.com/questions/188674/how-to-get-file-permission-in-octal

To just see octal file permissions on a GNU/Linux:
$ stat -c '%a' /etc/passwd