The answer is: 180

Gen 35:28-29

Isaac, a pivotal figure in the Genesis narrative, lived to a noteworthy age of 180. His long life symbolizes the faithful legacy of Abraham's family, intertwined with moments of challenge and divine promise. If you think about it, Isaac's lifespan is a bit of a testament to God's covenantal blessings—I mean, who else has the pulling power in pronouncements of age like this?

One interesting trivia nugget: Isaac’s life neatly bridges the older patriarchs like Abraham and the lavish gardens of his son, Jacob (who later becomes Israel). Speaking of 180 years, that makes him the second longest-lived patriarch after his father Abraham. It gives us food for thought about longevity in those early generations—all that bartering of generations shared wisdom worked wonders, right?

As Isaac aged, he witnessed tremendous shifts in his family dynamics. Take his own son, Jacob, whose own struggles displayed many themes woven throughout Genesis—the roles of deception, blessings, and sibling rivalry. Isn’t it interesting how times change yet remain oddly similar?

In a reflective sense, Isaac's final days also prompt thought about the nature of legacy and how we impact those around us. Although he faced personal challenges, Isaac's unwavering stance—being a sustaining force for the creatures under God—conveys deep resilience. So perhaps, caring for our contemporaries, like Isaac, resonates across time!