This property defines the Unicodes which have numeric value as 17
Characters like ᛮ,⑰,⒄, etc. are listed under 17 Numeric Value.
8 Characters are present in 17 Numeric Value starting with the Unicode point U+16EE that represents the character ᛮ.
Currently, as per latest version 15.0.0, Unicode supports 150 number of Numeric Value. Here are a few examples - 0,1,1/10, etc.