This property defines the Unicodes which belongs to Aegean Numbers block
Characters like 𐄀,𐄁,𐄂, etc. are listed under Aegean Numbers Block.
59 Characters are present in Aegean Numbers Block starting with the Unicode point U+10100 that represents the character 𐄀.
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.