U+2A27 PLUS SIGN WITH SUBSCRIPT TWO
U+2A27 was added to Unicode in version 3.2 (2002). It belongs to the block
This character is a Math Symbol and is commonly used, that is, in no specific script. The character is also known as nimaddition.
The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. The glyph can, under circumstances, be confused with 1 other glyphs. In text U+2A27 behaves as Alphabetic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.
The CLDR project labels this character “plus subscript two” for use in screen reading software. It assigns additional tags, e.g. for search in emoji pickers: plus subscript two.
The Wikipedia has the following information about this codepoint:
In mathematics, the nimbers, also called Grundy numbers, are introduced in combinatorial game theory, where they are defined as the values of heaps in the game Nim. The nimbers are the ordinal numbers endowed with nimber addition and nimber multiplication, which are distinct from ordinal addition and ordinal multiplication.
Because of the Sprague–Grundy theorem which states that every impartial game is equivalent to a Nim heap of a certain size, nimbers arise in a much larger class of impartial games. They may also occur in partisan games like Domineering.
Nimbers have the characteristic that their Left and Right options are identical, following a certain schema, and that they are their own negatives, such that a positive ordinal may be added to another positive ordinal using nimber addition to find an ordinal of a lower value. The minimum excludant operation is applied to sets of nimbers.
Representations
System  Representation 

Nº  10791 
UTF8  E2 A8 A7 
UTF16  2A 27 
UTF32  00 00 2A 27 
URLQuoted  %E2%A8%A7 
HTMLEscape  ⨧ 
Wrong windows1252 Mojibake  â¨§ 
HTMLEscape  ⨧ 
alias  nimaddition 
Related Characters
Confusables
Elsewhere
Complete Record
Property  Value 

3.2 (2002)  
PLUS SIGN WITH SUBSCRIPT TWO  
—  
Supplemental ArrowsC  
Math Symbol  
Common  
Other Neutral  
Not Reordered  
None  


✘  




✘  










✘  
✘  
✘  
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None  
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✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
Neutral  
✘  
✘  
✘  
✘  
✘  
✘  
✘  


Any  
✔  
✘  
✘  
✘  
Not Applicable  
✘  
✘  
✘  
✘  
✘  
✘  
—  
NA  
Other  
—  
No_Joining_Group  
✘  
—  
Non Joining  
Alphabetic  
✘  
✔  
✘  
Yes  
Yes  


Yes  
Yes  
None  
not a number  
✘  
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✔  
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Other  


✘  
✘  
✘  
✘  
R  
✘  
Other  
✘  
✘  
✘  
✘  
✘  
✘  
✘ 