Yes, pi (π) is a number with an infinite number of digits.
Pi is an irrational number, meaning it cannot be expressed as a simple fraction (a/b, where a and b are integers). The decimal representation of an irrational number neither terminates nor repeats. This is why pi continues infinitely without settling into a repeating pattern.
Here's a breakdown of why pi is infinite:
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Irrationality: The key reason is pi's irrational nature. A rational number can always be written as a fraction, and its decimal form will either terminate (like 0.5) or repeat (like 0.333...). Since pi cannot be expressed as a fraction, its decimal representation must go on forever without repeating.
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Non-Repeating Decimal: Unlike rational numbers that have repeating decimals (e.g., 1/3 = 0.3333...), the digits in pi's decimal expansion do not repeat in a predictable pattern. While patterns might appear, they eventually break down.
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Infinite Digits: Because it's irrational and non-repeating, pi has an infinite number of digits after the decimal point. We can calculate pi to billions or even trillions of digits, but we'll never reach the "end."
Property | Description |
---|---|
Type of Number | Irrational |
Decimal Form | Non-terminating and Non-repeating |
Number of Digits | Infinite |
In summary, pi's infinite nature stems from its irrationality, leading to a non-terminating and non-repeating decimal representation that continues indefinitely.