fortynine

Fortynine is the number forty-nine, which is the ordinal form of forty-nine. It is an odd integer and follows forty-eight and precedes fifty in the sequence of natural numbers. In the decimal system, it is represented as 49.

The number forty-nine holds various cultural, historical, and symbolic meanings across different contexts. In mathematics, it is a composite number, divisible by 7 (7 × 7 = 49) and 13 (13 × 3 = 39, but 49 is also 7 squared). It is not a prime number. In geometry, a regular nonagon, or nine-sided polygon, has forty-nine diagonals when calculated using the formula for the number of diagonals in an n-sided polygon (n(n-3)/2).

Forty-nine is also significant in literature and pop culture. In the novel *The Count of Monte Cristo* by Alexandre Dumas, the protagonist is imprisoned for seventeen years, with forty-nine being a notable reference point in the story. The number appears in various works of fiction, often symbolizing fate, destiny, or significant turning points.

In aviation, the call sign "Forty-Nine" is used to identify certain aircraft, particularly those operated by the United States Navy. The phrase "Forty-Nine" is also associated with the final chapter of the *Star Trek* franchise, where the series concludes with the character Spock’s death, marking the end of the original series.

In some traditions, forty-nine days are associated with mourning or reflection, particularly in Christian practices where the period extends from Good Friday to Pentecost. Additionally, forty-nine is sometimes linked to the concept of "forty-nine years," a phrase used to describe a long period of time or a significant milestone.