U+FF11 Fullwidth Digit One
U+FF11 was added in Unicode version 1.1 in 1993. It belongs to the block
This character is a Decimal Number and is commonly used, that is, in no specific script. The codepoint has the decimal value 1.
The glyph is a wide version of the glyph
The Wikipedia has the following information about this codepoint:
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of unit length is a line segment of length 1. In conventions of sign where zero is considered neither positive nor negative, 1 is the first and smallest positive integer. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by 2, although by other definitions 1 is the second natural number, following 0.
The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number. Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. 1 is by convention not considered a prime number; this was not universally accepted until the mid20th century. Additionally, 1 is the smallest possible difference between two distinct natural numbers.
The unique mathematical properties of the number have led to its unique uses in other fields, ranging from science to sports. It commonly denotes the first, leading, or top thing in a group.
Representations
System  Representation 

Nº  65297 
UTF8  EF BC 91 
UTF16  FF 11 
UTF32  00 00 FF 11 
URLQuoted  %EF%BC%91 
HTML hex reference  １ 
Wrong windows1252 Mojibake  ï¼‘ 
Encoding: EUCKR (hex bytes)  A3 B1 
Encoding: JIS0208 (hex bytes)  A3 B1 
Adobe Glyph List  onemonospace 
Elsewhere
Complete Record
Property  Value 

1.1 (1993)  
FULLWIDTH DIGIT ONE  
—  
Halfwidth and Fullwidth Forms  
Decimal Number  
Common  
European Number  
Not Reordered  
wide  


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Any  
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0  
0  
0  
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None  
—  
NA  
Other  
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Yes  
Yes  


No  


No  
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Numeric  
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Numeric  
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None  
fullwidth  
Not Applicable  
—  
No_Joining_Group  
Non Joining  
Ideographic  
decimal  
1  


U 