ITS THE MAGIC NUMBER. Located on St. John's Place in prime Prospect Heights, this true three bedroom, two bath coop sings all the right notes.  Enter into the large living room with its open kitchen and dining area. The windowed, renovated kitchen offers bountiful amounts of counter space, storage and southern light. The island with breakfast bar gives options for spreading out or having a quick bite. To the right is the master suite with western exposure. Adjacent to this are the two bedrooms that share the hall bath. Excellent closet/storage space and a full size washer/dryer round out this amply sized coop apartment. This prewar elevator building has a super that lives next door, walk in storage cages, bike storage, gym and pets are welcome. It's right around the corner from the Brooklyn Museum, Botanic Garden and, adding another block or two- the Central Library, Grand Army Plaza, and Prospect Park. Amenities abound on Washington, Vanderbilt and blocks in between. 2/3 train station is 1.5 blocks away.