Prime Numbers
ℙ
Type it
| Unicode | U+2119 | |
|---|---|---|
| LaTeX | \mathbb{P} | |
| HTML entity | ℙ | |
| Character | ℙ |
Meaning
The set of prime numbers, the whole numbers greater than 1 whose only divisors are 1 and themselves. The same letter is also used for probability and projective space. Compare with Natural Numbers and Integers.
How to read it
7 ∈ ℙ
is read “seven is a prime number”.