PI number

Content

What does pi number mean?

The number pi, represented by the Greek letter “π”, belongs to the set of irrational numbers, that is, it is a number that cannot be expressed as a fraction of two whole numbers, therefore, it has an infinite number of decimals. This means that pi is not exact or periodic.

Learn more about: “Irrational numbers”. →

Mathematically pi is the relationship between the length of its circumference and its diameter, in other words, it is the relationship between the perimeter of a circumference (P) and the length of its diameter (d).

P = π X d

---

What is the value of pi?

The value of pi has infinite decimals but for simple use of calculations the truncated value corresponding to:

3.1416

If we want to obtain an extensive value of pi it would be the following:

3.141592653589793…

Note: Consider that the value of pi was truncated since it is possible to continue obtaining decimals.

---

Curiosities of the number Pi

• The international Pi number day is celebrated on March 14, since the date would be 3/14.
• The day of approximation to the value of Pi by a fraction is indicated in the calendar on July 22, corresponds to 22/7, performing the operation we obtain that 22/7 = 3.142857714, which results in an approximation to the value of Pi.