According to the Desktop User Guide in Nautilus Preferences/List Columns Preferences:
"Octal Permissions: Choose this option to display the permissions of the item in octal notation, for example 764."
I think it would be more « user friendly » to only show the first four octal digits (I don't know if we can speak about user-friendliness when it comes to octal digits though ^^).
Moreover it would follow what's done with "Permisions" column.
According to the Desktop User Guide in Nautilus Preferences/List Columns Preferences:
"Octal Permissions: Choose this option to display the permissions of the item in octal notation, for example 764."
I think it would be more « user friendly » to only show the first four octal digits (I don't know if we can speak about user-friendliness when it comes to octal digits though ^^).
Moreover it would follow what's done with "Permisions" column.