This property defines the Unicodes which have numeric value as 400
Characters like 𐄜,𐋶,𐧕, etc. are listed under 400 Numeric Value.
7 Characters are present in 400 Numeric Value starting with the Unicode point U+1011C that represents the character 𐄜.
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.