The answer is: 180

Gen 35:28-29

Isaac's life story unfolds over several significant chapters in Genesis, and his passing at the age of 180 undoubtedly carries substantial weight in biblical history. Born as a miracle child to Abraham and Sarah in their old age, Isaac represents the fulfillment of divine promises, becoming a central figure in the narrative of God's covenant with Abraham.

Dying at such a venerable age, Isaac had the chance to witness the unfolding of God's plans across generations, particularly through his sons, Esau and Jacob. In fact, he lived long enough to see Rebecca, his wife, and the complexities of their family dynamic, including how God redirected the lineage through Jacob.

Isn’t it fascinating that Isaac's life stands out not just in his contributions, but also in the blessed continuity—with both Abraham living to 175 years and Jacob approaching 130 at his time? It creates a tapestry of faith, generations intertwining with divine promise, illustrating how divinely appointed duration can enhance life's purpose and mission.

Adding to the richness of context, Isaac’s name is rooted in laughter—reflecting the joy and astonishment of his birth (Genesis 21:6). Given this background, his elderly age of 180 still resonates with laughter, laughter earned through a life filled with family complexity, journeys of faith, and hope. As staircases of family history wait in divine elevation, Isaac lives forever echoes, uncertain yet sacred, shaping understandings of life’s meaning woven into a divine narrative.