+**39** is the [natural number](/wiki/Natural_number) following 38 and preceding 40. It is an [odd number](/wiki/Odd_number) and a composite number, its prime factors being 3 and 13.
+## See also
+- [Number](/wiki/Number)
+- [Prime Factor](/wiki/Prime_factor)
+- [Composite Number](/wiki/Composite_number)
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