At the Hebrew Home at Riverdale, along the Hudson River in the Bronx, the oldest resident is 104 years old — but she’s not the only centenarian there by a long shot.

A total of 39 men and women who live at the Home are 100 years old or older, and many take part in the full array of the institution’s seniors-centered activities.

For some, it means a traditional pastime like an art class. Marion Rosner, right, offers instruction to three students: from left, Nathan Suss, Beryl Bernet and Frances Hershbaum.

And for some, like Nathan Suss, top left, it means a less-traditional activity: quality time at the keyboard in a computer class