U+2140

⅀ Double-Struck N-Ary Summation

Double-Struck N-Ary Summation is Unicode character U+2140 in the Letterlike Symbols block.

About Double-Struck N-Ary Summation

Double-Struck N-Ary Summation is a Unicode character in Math. Copy the symbol itself, or use the HTML, CSS, and JavaScript formats when a code escape is safer.

  • letterlike symbols
  • common
  • sm
  • math

Character preview