View details and encodings for Unicode character U+1D7D9 Mathematical Double-Struck Digit One, located in the Mathematical Alphanumeric Symbols block and Decimal Digit Number category. This character was released in 2001 under Unicode version 3.1.
𝟙𝟙U+1D7D9;120793\01D7D9\u1D7D9\x{1D7D9}\u{1D7D9}u'\u1D7D9'E1B5BD391D7D003900001D7D00000039