TAI THAM THAM DIGIT ONE·U+1A91

Character Information

Code Point
U+1A91
HEX
1A91
Unicode Plane
Basic Multilingual Plane
Category
Decimal Digit Number

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
E1 AA 91
11100001 10101010 10010001
UTF16 (big Endian)
1A 91
00011010 10010001
UTF16 (little Endian)
91 1A
10010001 00011010
UTF32 (big Endian)
00 00 1A 91
00000000 00000000 00011010 10010001
UTF32 (little Endian)
91 1A 00 00
10010001 00011010 00000000 00000000
HTML Entity
᪑
URI Encoded
%E1%AA%91

Description

The Unicode character U+1A91, known as TAI THAM THAM DIGIT ONE, holds significant importance in digital text representation of the Thai language. This character is part of a series (U+1A90 to U+1A9F) that represents digits for the Thai script, which includes ten different numeral forms used in various contexts, including currency and numerical values. The Thai numerals are based on an ancient Indian numeral system and have been adapted for use in the Thai script, allowing for a more natural integration into the linguistic structure. In modern usage, TAI THAM THAM DIGIT ONE is employed in digital text to represent the number one in the specific Thai numeral form known as "Tai Tham Tham". This unique digit form contributes to the rich heritage of Thai typography and serves a practical purpose in daily communication and documentations.

How to type the symbol on Windows

Hold Alt and type 6801 on the numpad. Or use Character Map.

  1. Step 1: Determine the UTF-8 encoding bit layout

    The character has the Unicode code point U+1A91. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of 0x0800 to 0xffff.

    Therefore we know that the UTF-8 encoding will be done over 16 bits within the final 24 bits and that it will have the format: 1110xxxx 10xxxxxx 10xxxxxx
    Where the x are the payload bits.

    UTF-8 Encoding bit layout by codepoint range
    Codepoint RangeBytesBit patternPayload length
    U+0000 - U+007F10xxxxxxx7 bits
    U+0080 - U+07FF2110xxxxx 10xxxxxx11 bits
    U+0800 - U+FFFF31110xxxx 10xxxxxx 10xxxxxx16 bits
    U+10000 - U+10FFFF411110xxx 10xxxxxx 10xxxxxx 10xxxxxx21 bits
  2. Step 2: Obtain the payload bits:

    Convert the hexadecimal code point U+1A91 to binary: 00011010 10010001. Those are the payload bits.

  3. Step 3: Fill in the bits to match the bit pattern:

    Obtain the final bytes by arranging the paylod bits to match the bit layout:
    11100001 10101010 10010001