In mathematics, "p" can represent any number, as it is a variable commonly used in algebraic expressions. Therefore, asking "What number is p?" requires more context and information to give a specific answer. However, in some specific cases, "p" can represent a constant value with a specific meaning, such as pi.

Pi (π) is an irrational number that represents the ratio of the whatsapp mobile number list circumference of a circle to its diameter. It is approximately equal to 3.14159, and it goes on infinitely without repeating. The symbol "π" was first used by the Welsh mathematician William Jones in 1706, and it was later adopted by the Swiss mathematician Leonhard Euler in the 18th century.

Therefore, if someone asks, "What number is p?" and it is referring to pi, the answer would be approximately 3.14159. However, if "p" is being used as a variable in a different mathematical equation or expression, the answer would depend on the values assigned to the other variables in that equation.

For example, if the equation is 2p + 5 = 11, we can solve for "p" by isolating it on one side of the equation. Subtracting 5 from both sides gives us 2p = 6, and dividing both sides by 2 gives us p = 3. Therefore, in this case, the number represented by "p" is 3. In conclusion, the question "What number is p?" requires more context to give a specific answer. If "p" is representing pi, then the answer is approximately 3.14159. However, if "p" is being used as a variable in a mathematical equation, the answer would depend on the values assigned to the other variables in that equation.