U+1D540 MATHEMATICAL DOUBLE-STRUCK CAPITAL I

Capital I in blackboard bold with doubled strokes, used in math for indicator functions or identity and for stylized text.

Codepoint: U+1D540
Name: MATHEMATICAL DOUBLE-STRUCK CAPITAL I
Block: Mathematical Alphanumeric Symbols
Script: Common
Category: Uppercase Letter (Lu)
Unicode version: 3.1
Plane: SMP
HTML: 𝕀 𝕀
CSS: \1D540
UTF-8: F0 9D 95 80
UTF-16: D835 DD40
UTF-32: 0001D540

Related characters

U+1D541MATHEMATICAL DOUBLE-STRUCK CAPITAL J
U+1D53EMATHEMATICAL DOUBLE-STRUCK CAPITAL G
U+1D542MATHEMATICAL DOUBLE-STRUCK CAPITAL K
U+1D53DMATHEMATICAL DOUBLE-STRUCK CAPITAL F
U+1D543MATHEMATICAL DOUBLE-STRUCK CAPITAL L
U+1D53CMATHEMATICAL DOUBLE-STRUCK CAPITAL E
U+1D544MATHEMATICAL DOUBLE-STRUCK CAPITAL M
U+1D53BMATHEMATICAL DOUBLE-STRUCK CAPITAL D
U+1D546MATHEMATICAL DOUBLE-STRUCK CAPITAL O
U+1D539MATHEMATICAL DOUBLE-STRUCK CAPITAL B
U+1D538MATHEMATICAL DOUBLE-STRUCK CAPITAL A
U+1D537MATHEMATICAL FRAKTUR SMALL Z

Mathematical Alphanumeric Symbols

997 characters in the Mathematical Alphanumeric Symbols Unicode block, from number 302.

U+1D540MATHEMATICAL DOUBLE-STRUCK CAPITAL I
U+1D541MATHEMATICAL DOUBLE-STRUCK CAPITAL J
U+1D542MATHEMATICAL DOUBLE-STRUCK CAPITAL K
U+1D543MATHEMATICAL DOUBLE-STRUCK CAPITAL L
U+1D544MATHEMATICAL DOUBLE-STRUCK CAPITAL M
U+1D546MATHEMATICAL DOUBLE-STRUCK CAPITAL O
U+1D54AMATHEMATICAL DOUBLE-STRUCK CAPITAL S
U+1D54BMATHEMATICAL DOUBLE-STRUCK CAPITAL T
U+1D54CMATHEMATICAL DOUBLE-STRUCK CAPITAL U
U+1D54DMATHEMATICAL DOUBLE-STRUCK CAPITAL V
U+1D54EMATHEMATICAL DOUBLE-STRUCK CAPITAL W
U+1D54FMATHEMATICAL DOUBLE-STRUCK CAPITAL X
U+1D550MATHEMATICAL DOUBLE-STRUCK CAPITAL Y
U+1D552MATHEMATICAL DOUBLE-STRUCK SMALL A
U+1D553MATHEMATICAL DOUBLE-STRUCK SMALL B
U+1D554MATHEMATICAL DOUBLE-STRUCK SMALL C
U+1D555MATHEMATICAL DOUBLE-STRUCK SMALL D
U+1D556MATHEMATICAL DOUBLE-STRUCK SMALL E
U+1D557MATHEMATICAL DOUBLE-STRUCK SMALL F
U+1D558MATHEMATICAL DOUBLE-STRUCK SMALL G
U+1D559MATHEMATICAL DOUBLE-STRUCK SMALL H
U+1D55AMATHEMATICAL DOUBLE-STRUCK SMALL I
U+1D55BMATHEMATICAL DOUBLE-STRUCK SMALL J
U+1D55CMATHEMATICAL DOUBLE-STRUCK SMALL K
U+1D55DMATHEMATICAL DOUBLE-STRUCK SMALL L
U+1D55EMATHEMATICAL DOUBLE-STRUCK SMALL M
U+1D55FMATHEMATICAL DOUBLE-STRUCK SMALL N
U+1D560MATHEMATICAL DOUBLE-STRUCK SMALL O
U+1D561MATHEMATICAL DOUBLE-STRUCK SMALL P
U+1D562MATHEMATICAL DOUBLE-STRUCK SMALL Q
U+1D563MATHEMATICAL DOUBLE-STRUCK SMALL R
U+1D564MATHEMATICAL DOUBLE-STRUCK SMALL S
U+1D565MATHEMATICAL DOUBLE-STRUCK SMALL T
U+1D566MATHEMATICAL DOUBLE-STRUCK SMALL U
U+1D567MATHEMATICAL DOUBLE-STRUCK SMALL V
U+1D568MATHEMATICAL DOUBLE-STRUCK SMALL W
U+1D569MATHEMATICAL DOUBLE-STRUCK SMALL X
U+1D56AMATHEMATICAL DOUBLE-STRUCK SMALL Y
U+1D56BMATHEMATICAL DOUBLE-STRUCK SMALL Z
U+1D56CMATHEMATICAL BOLD FRAKTUR CAPITAL A
U+1D56DMATHEMATICAL BOLD FRAKTUR CAPITAL B
U+1D56EMATHEMATICAL BOLD FRAKTUR CAPITAL C
U+1D56FMATHEMATICAL BOLD FRAKTUR CAPITAL D
U+1D570MATHEMATICAL BOLD FRAKTUR CAPITAL E
U+1D571MATHEMATICAL BOLD FRAKTUR CAPITAL F
U+1D572MATHEMATICAL BOLD FRAKTUR CAPITAL G
U+1D573MATHEMATICAL BOLD FRAKTUR CAPITAL H
U+1D574MATHEMATICAL BOLD FRAKTUR CAPITAL I
U+1D575MATHEMATICAL BOLD FRAKTUR CAPITAL J
U+1D576MATHEMATICAL BOLD FRAKTUR CAPITAL K
U+1D577MATHEMATICAL BOLD FRAKTUR CAPITAL L
U+1D578MATHEMATICAL BOLD FRAKTUR CAPITAL M
U+1D579MATHEMATICAL BOLD FRAKTUR CAPITAL N
U+1D57AMATHEMATICAL BOLD FRAKTUR CAPITAL O
U+1D57BMATHEMATICAL BOLD FRAKTUR CAPITAL P
U+1D57CMATHEMATICAL BOLD FRAKTUR CAPITAL Q
U+1D57DMATHEMATICAL BOLD FRAKTUR CAPITAL R
U+1D57EMATHEMATICAL BOLD FRAKTUR CAPITAL S
U+1D57FMATHEMATICAL BOLD FRAKTUR CAPITAL T
U+1D580MATHEMATICAL BOLD FRAKTUR CAPITAL U
U+1D581MATHEMATICAL BOLD FRAKTUR CAPITAL V
U+1D582MATHEMATICAL BOLD FRAKTUR CAPITAL W
U+1D583MATHEMATICAL BOLD FRAKTUR CAPITAL X
U+1D584MATHEMATICAL BOLD FRAKTUR CAPITAL Y
U+1D585MATHEMATICAL BOLD FRAKTUR CAPITAL Z
U+1D586MATHEMATICAL BOLD FRAKTUR SMALL A
U+1D587MATHEMATICAL BOLD FRAKTUR SMALL B
U+1D588MATHEMATICAL BOLD FRAKTUR SMALL C
U+1D589MATHEMATICAL BOLD FRAKTUR SMALL D
U+1D58AMATHEMATICAL BOLD FRAKTUR SMALL E
U+1D58BMATHEMATICAL BOLD FRAKTUR SMALL F
U+1D58CMATHEMATICAL BOLD FRAKTUR SMALL G
U+1D58DMATHEMATICAL BOLD FRAKTUR SMALL H
U+1D58EMATHEMATICAL BOLD FRAKTUR SMALL I
U+1D58FMATHEMATICAL BOLD FRAKTUR SMALL J
U+1D590MATHEMATICAL BOLD FRAKTUR SMALL K
U+1D591MATHEMATICAL BOLD FRAKTUR SMALL L
U+1D592MATHEMATICAL BOLD FRAKTUR SMALL M
U+1D593MATHEMATICAL BOLD FRAKTUR SMALL N
U+1D594MATHEMATICAL BOLD FRAKTUR SMALL O
U+1D595MATHEMATICAL BOLD FRAKTUR SMALL P
U+1D596MATHEMATICAL BOLD FRAKTUR SMALL Q
U+1D597MATHEMATICAL BOLD FRAKTUR SMALL R
U+1D598MATHEMATICAL BOLD FRAKTUR SMALL S
U+1D599MATHEMATICAL BOLD FRAKTUR SMALL T
U+1D59AMATHEMATICAL BOLD FRAKTUR SMALL U
U+1D59BMATHEMATICAL BOLD FRAKTUR SMALL V
U+1D59CMATHEMATICAL BOLD FRAKTUR SMALL W
U+1D59DMATHEMATICAL BOLD FRAKTUR SMALL X
U+1D59EMATHEMATICAL BOLD FRAKTUR SMALL Y
U+1D59FMATHEMATICAL BOLD FRAKTUR SMALL Z
U+1D5A0MATHEMATICAL SANS-SERIF CAPITAL A
U+1D5A1MATHEMATICAL SANS-SERIF CAPITAL B
U+1D5A2MATHEMATICAL SANS-SERIF CAPITAL C
U+1D5A3MATHEMATICAL SANS-SERIF CAPITAL D
U+1D5A4MATHEMATICAL SANS-SERIF CAPITAL E
U+1D5A5MATHEMATICAL SANS-SERIF CAPITAL F
U+1D5A6MATHEMATICAL SANS-SERIF CAPITAL G
U+1D5A7MATHEMATICAL SANS-SERIF CAPITAL H
U+1D5A8MATHEMATICAL SANS-SERIF CAPITAL I
U+1D5A9MATHEMATICAL SANS-SERIF CAPITAL J
U+1D5AAMATHEMATICAL SANS-SERIF CAPITAL K
U+1D5ABMATHEMATICAL SANS-SERIF CAPITAL L
U+1D5ACMATHEMATICAL SANS-SERIF CAPITAL M
U+1D5ADMATHEMATICAL SANS-SERIF CAPITAL N
U+1D5AEMATHEMATICAL SANS-SERIF CAPITAL O
U+1D5AFMATHEMATICAL SANS-SERIF CAPITAL P
U+1D5B0MATHEMATICAL SANS-SERIF CAPITAL Q
U+1D5B1MATHEMATICAL SANS-SERIF CAPITAL R
U+1D5B2MATHEMATICAL SANS-SERIF CAPITAL S
U+1D5B3MATHEMATICAL SANS-SERIF CAPITAL T
U+1D5B4MATHEMATICAL SANS-SERIF CAPITAL U
U+1D5B5MATHEMATICAL SANS-SERIF CAPITAL V
U+1D5B6MATHEMATICAL SANS-SERIF CAPITAL W
U+1D5B7MATHEMATICAL SANS-SERIF CAPITAL X
U+1D5B8MATHEMATICAL SANS-SERIF CAPITAL Y
U+1D5B9MATHEMATICAL SANS-SERIF CAPITAL Z
U+1D5BAMATHEMATICAL SANS-SERIF SMALL A
U+1D5BBMATHEMATICAL SANS-SERIF SMALL B
U+1D5BCMATHEMATICAL SANS-SERIF SMALL C
U+1D5BDMATHEMATICAL SANS-SERIF SMALL D
U+1D5BEMATHEMATICAL SANS-SERIF SMALL E
U+1D5BFMATHEMATICAL SANS-SERIF SMALL F
U+1D5C0MATHEMATICAL SANS-SERIF SMALL G
U+1D5C1MATHEMATICAL SANS-SERIF SMALL H
U+1D5C2MATHEMATICAL SANS-SERIF SMALL I
U+1D5C3MATHEMATICAL SANS-SERIF SMALL J
U+1D5C4MATHEMATICAL SANS-SERIF SMALL K
U+1D5C5MATHEMATICAL SANS-SERIF SMALL L
U+1D5C6MATHEMATICAL SANS-SERIF SMALL M
U+1D5C7MATHEMATICAL SANS-SERIF SMALL N
U+1D5C8MATHEMATICAL SANS-SERIF SMALL O
U+1D5C9MATHEMATICAL SANS-SERIF SMALL P
U+1D5CAMATHEMATICAL SANS-SERIF SMALL Q
U+1D5CBMATHEMATICAL SANS-SERIF SMALL R
U+1D5CCMATHEMATICAL SANS-SERIF SMALL S
U+1D5CDMATHEMATICAL SANS-SERIF SMALL T
U+1D5CEMATHEMATICAL SANS-SERIF SMALL U
U+1D5CFMATHEMATICAL SANS-SERIF SMALL V
U+1D5D0MATHEMATICAL SANS-SERIF SMALL W
U+1D5D1MATHEMATICAL SANS-SERIF SMALL X
U+1D5D2MATHEMATICAL SANS-SERIF SMALL Y
U+1D5D3MATHEMATICAL SANS-SERIF SMALL Z
U+1D5D4MATHEMATICAL SANS-SERIF BOLD CAPITAL A
U+1D5D5MATHEMATICAL SANS-SERIF BOLD CAPITAL B
U+1D5D6MATHEMATICAL SANS-SERIF BOLD CAPITAL C
U+1D5D7MATHEMATICAL SANS-SERIF BOLD CAPITAL D
U+1D5D8MATHEMATICAL SANS-SERIF BOLD CAPITAL E
U+1D5D9MATHEMATICAL SANS-SERIF BOLD CAPITAL F
U+1D5DAMATHEMATICAL SANS-SERIF BOLD CAPITAL G
U+1D5DBMATHEMATICAL SANS-SERIF BOLD CAPITAL H
U+1D5DCMATHEMATICAL SANS-SERIF BOLD CAPITAL I
U+1D5DDMATHEMATICAL SANS-SERIF BOLD CAPITAL J
U+1D5DEMATHEMATICAL SANS-SERIF BOLD CAPITAL K
U+1D5DFMATHEMATICAL SANS-SERIF BOLD CAPITAL L
U+1D5E0MATHEMATICAL SANS-SERIF BOLD CAPITAL M
U+1D5E1MATHEMATICAL SANS-SERIF BOLD CAPITAL N
U+1D5E2MATHEMATICAL SANS-SERIF BOLD CAPITAL O
U+1D5E3MATHEMATICAL SANS-SERIF BOLD CAPITAL P
U+1D5E4MATHEMATICAL SANS-SERIF BOLD CAPITAL Q
U+1D5E5MATHEMATICAL SANS-SERIF BOLD CAPITAL R
U+1D5E6MATHEMATICAL SANS-SERIF BOLD CAPITAL S
U+1D5E7MATHEMATICAL SANS-SERIF BOLD CAPITAL T
U+1D5E8MATHEMATICAL SANS-SERIF BOLD CAPITAL U
U+1D5E9MATHEMATICAL SANS-SERIF BOLD CAPITAL V
U+1D5EAMATHEMATICAL SANS-SERIF BOLD CAPITAL W
U+1D5EBMATHEMATICAL SANS-SERIF BOLD CAPITAL X
U+1D5ECMATHEMATICAL SANS-SERIF BOLD CAPITAL Y
U+1D5EDMATHEMATICAL SANS-SERIF BOLD CAPITAL Z
U+1D5EEMATHEMATICAL SANS-SERIF BOLD SMALL A
U+1D5EFMATHEMATICAL SANS-SERIF BOLD SMALL B
U+1D5F0MATHEMATICAL SANS-SERIF BOLD SMALL C
U+1D5F1MATHEMATICAL SANS-SERIF BOLD SMALL D
U+1D5F2MATHEMATICAL SANS-SERIF BOLD SMALL E
U+1D5F3MATHEMATICAL SANS-SERIF BOLD SMALL F
U+1D5F4MATHEMATICAL SANS-SERIF BOLD SMALL G
U+1D5F5MATHEMATICAL SANS-SERIF BOLD SMALL H
U+1D5F6MATHEMATICAL SANS-SERIF BOLD SMALL I
U+1D5F7MATHEMATICAL SANS-SERIF BOLD SMALL J
U+1D5F8MATHEMATICAL SANS-SERIF BOLD SMALL K
U+1D5F9MATHEMATICAL SANS-SERIF BOLD SMALL L
U+1D5FAMATHEMATICAL SANS-SERIF BOLD SMALL M
U+1D5FBMATHEMATICAL SANS-SERIF BOLD SMALL N
U+1D5FCMATHEMATICAL SANS-SERIF BOLD SMALL O
U+1D5FDMATHEMATICAL SANS-SERIF BOLD SMALL P
U+1D5FEMATHEMATICAL SANS-SERIF BOLD SMALL Q
U+1D5FFMATHEMATICAL SANS-SERIF BOLD SMALL R
U+1D600MATHEMATICAL SANS-SERIF BOLD SMALL S
U+1D601MATHEMATICAL SANS-SERIF BOLD SMALL T
U+1D602MATHEMATICAL SANS-SERIF BOLD SMALL U
U+1D603MATHEMATICAL SANS-SERIF BOLD SMALL V
U+1D604MATHEMATICAL SANS-SERIF BOLD SMALL W
U+1D605MATHEMATICAL SANS-SERIF BOLD SMALL X
U+1D606MATHEMATICAL SANS-SERIF BOLD SMALL Y
U+1D607MATHEMATICAL SANS-SERIF BOLD SMALL Z
U+1D608MATHEMATICAL SANS-SERIF ITALIC CAPITAL A
U+1D609MATHEMATICAL SANS-SERIF ITALIC CAPITAL B
U+1D60AMATHEMATICAL SANS-SERIF ITALIC CAPITAL C
U+1D60BMATHEMATICAL SANS-SERIF ITALIC CAPITAL D
U+1D60CMATHEMATICAL SANS-SERIF ITALIC CAPITAL E

…and 496 more characters.