ℙ

See also: Appendix:Variations of "p"

ℙ U+2119, ℙ DOUBLE-STRUCK CAPITAL P ← ℘ [U+2118] Letterlike Symbols ℚ → [U+211A]

𝐏 U+1D40F, 𝐏 MATHEMATICAL BOLD CAPITAL P ← 𝐎 [U+1D40E] Mathematical Alphanumeric Symbols 𝐐 → [U+1D410]

Translingual

Alternative forms

• 𝐏

Etymology

From 𝐏 for prime, and later for probability. The usage of blackboard bold dates to the 1960s.

Symbol

ℙ

1. (mathematics) Alternative form of 𝐏, the set of prime numbers.
2. (mathematics) Alternative form of 𝐏, the probability of an event.