Infinity is a term used to denote something with no end. Numbers are infinite as no matter what number you can think of you can always up that number by 1. Thus numbers span into infinity.
Infinity itself is not a number.
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Infinity is not a number. There are different classes of infinity: The sets of natural numbers, integers, rational numbers all belong to the smallest class, with a cardinality of Aleph-null. The sets of irrational numbers and real numbers belong to the next higher level of infinity, with cardinality Aleph-One. Infinity can give rise to a very large number of apparent paradoxes - infinitely many of them?
13
half of infinity
infinity, the pi number keeps going on to infinity
That 's not possible since irrational numbers have infinity digits. All whole numbers are rational.