ʹ

See also: ′ [U+2032 PRIME], ´ [U+00B4 ACUTE ACCENT], ˊ [U+0301 COMBINING ACUTE ACCENT], and ◌́

ʹ	U+02B9, ʹ MODIFIER LETTER PRIME

Character variations

ʹ	U+0374, ʹ GREEK NUMERAL SIGN

Translingual

ʹ

A mark used for transliteration of Cyrillic Ь.
(lexicography) A mark for palatalization in Cyrillic dictionaries, equivalent to IPA ⟨ʲ⟩.
Synonym: ꚝ

ʹ

See also: ͵ [U+0375 GREEK LOWER NUMERAL SIGN]

English Wikipedia has an article on:

Greek numerals

Wikipedia

ʹ

Used to form Greek numerals from the letters of the Greek alphabet. In modern use, these are equivalent to Roman numerals in Latin script.

Units	1	2	3	4	5	6	7	8	9
1s	Α΄ α΄	Β΄ β΄	Γ΄ γ΄	Δ΄ δ΄	Ε΄ ε΄	Ϛ΄ ϛ΄ ΣΤ΄ Στ΄ στ΄ Ϝ΄ ϝ΄	Ζ΄ ζ΄	Η΄ η΄	Θ΄ θ΄
10s	Ι΄ ι΄	Κ΄ κ΄	Λ΄ λ΄	Μ΄ μ΄	Ν΄ ν΄	Ξ΄ ξ΄	Ο΄ ο΄	Π΄ π΄	Ϟ΄ ϟ΄
100s	Ρ΄ ρ΄	Σ΄ σ΄	Τ΄ τ΄	Υ΄ υ΄	Φ΄ φ΄	Χ΄ χ΄	Ψ΄ ψ΄	Ω΄ ω΄	Ϡ΄ ϡ΄
1000s	͵Α ͵α	͵Β ͵β	͵Γ ͵γ	͵Δ ͵δ	͵Ε ͵ε	͵Ϛ ͵ϛ ͵ΣΤ ͵Στ ͵στ ͵Ϝ ͵ϝ	͵Ζ ͵ζ	͵Η ͵η	͵Θ ͵θ
10,000s	͵Ι ͵ι	͵Κ ͵κ	͵Λ ͵λ	͵Μ ͵μ	͵Ν ͵ν	͵Ξ ͵ξ	͵Ο ͵ο	͵Π ͵π	͵Ϟ ͵ϟ
100,000s	͵Ρ ͵ρ	͵Σ ͵σ	͵Τ ͵τ	͵Υ ͵υ	͵Φ ͵φ	͵Χ ͵χ	͵Ψ ͵ψ	͵Ω ͵ω	͵Ϡ ͵ϡ
Greek number and measurement appendix

The Unicode code point U+0374 GREEK NUMERAL SIGN is canonically equivalent to U+02B9 MODIFIER LETTER PRIME.

ʹ

Suprasegmental palatalization is marked by a free-standing prime or acute accent (´) added after the vowel.