There is no 'last' integer, the expression 'infinity' is sometimes used to describe a quantity, but, it's not a last number.
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The answer is that there is no final digit. When written as a numerical expression (3.14159 26535 89793 ...), the expression is infinitely long. Hence, there is no final digit.
Pi is an irrational number [i.e. one that can not be represented as the ratio of two integers]. All irrational number have infinitely many digits when written as numerical expressions. [Many rational numbers do also, such as one-third, which is 0.3333... .] The difference is that rational numbers repeat a sequence of digits infinitely many times (such as one-eleventh, which repeats 0.09090909...).
Pi is also a transcendental number, meaning that it is not the root of an algebraic equation that has rational coefficients. [By contrast, the square root of two is an irrational number, but is the solution of the algebraic equation: X2 = 2.]
Pi appears in the famous "Euler's Equation" [Euler is pronounce like 'oiler'. He was a Swiss mathematician.] which is e(i*pi) +1 =0, where 'i' is the square root of -1. This equation combines five of the most important numbers in mathematics and science.
I am not as adept at graphics as some users of this site are, but it looks like the number eight if you rotate it by 90 degrees, so that it lays on its side.
YES! the number pi is endless
(pi) itself is an irrational number. The only multiples of it that can be rational are (pi) x (a rational number/pi) .
Pi is irrational.
None, the Number Pi is nothing to do with seconds (time).
Well, honey, 2π is not an integer. It's the mathematical constant representing the ratio of a circle's circumference to its diameter. And last time I checked, it's an irrational number, so it can't be expressed as a simple fraction. But hey, nice try!