2647

2647 is a natural number that follows 2646 and precedes 2648. In mathematics, 2647 is a prime number, making it indivisible by any positive integer other than 1 and itself. It is odd, not divisible by 2, 3, or 5, and its digits sum to 19. In base 2 the number is 101001010111, and in Roman numerals it is written MMDCXLVII.

As a calendar year, 2647 CE would be a future year, while 2647 BCE refers to a date in the distant past before the start of the common era.

In astronomy and other catalogs, 2647 can appear as a numerical designation for a minor planet or other objects labeled sequentially; such numbers are used to identify and reference celestial bodies before any given name is assigned.

Because 2647 is simply a numeric identifier and not tied to a widely recognized event or object, there is no widely accepted cultural or historical significance attributed to it.