PHP error log issue chmod 777

Is there any difference between mode value 0777 and 777 chmod 777

chmod 777 is considered potentially dangerous because you are giving read, write and execute permission on a filedirectory to everyone

chmod 777 The mode 777 means Anyone can read, write or execute this file To apply chmod 777 to all the files and subfolders within the folder, you can use the find command in combination with the chmod command  A 777 permission offers execute, write, and read permissions to every three classes of users In other words, everyone who has access to our system can execute,

เครดิตฟรีสมาชิกใหม่กดรับเอง The owner for this file is naresh The first two commands with sudo is showing command not found whereas hadoop fs -chmod 777 vamsipart-m-00003 command