Search by Name

Identify Characters

News

   August 2025
  - Copy to clipboard added.
  - Unicode 16.0 update.

   Blocks Added
   - Tulu‑Tigalari – new: 80 characters
   - Garay – new: 69 characters
   - Gurung Khema – new: 58 characters
   - Kirat Rai – new: 58 characters
   - Todhri – new: 52 characters
   - Sunuwar – new: 44 characters
   - Ol Onal – new: 44 characters

DOUBLE-STRUCK N-ARY SUMMATION character

DOUBLE-STRUCK N-ARY SUMMATION specifications

Name:

DOUBLE-STRUCK N-ARY SUMMATION

Hex Number:

U+2140

Decimal Number:

8512

HTML Entity (Dec):

⅀

HTML Entity (Hex):

⅀

Category:

Sm (Math Symbol)

Bidi Class:

ON (Other Neutrals)

Mirrored:

Decomposition:

<font> 2211

Combining Class:

Unicode Block:

Letterlike Symbols

Script:

Common

Plane:

Plane Code:

BMP (Basic Multilingual Plane)

Plane Range:

0000-FFFF

Character Preview:

⅀

About DOUBLE-STRUCK N-ARY SUMMATION

Double-struck N-ary Summation (U+085C) is a Unicode math symbol from the Letterlike Symbols block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class ON (other neutrals), is mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ⅀ or ⅀.