Sheba' (H7651) is the Hebrew number seven. It appears over 490 times in the Old Testament and is by far the most theologically significant number in the Hebrew Bible. The related verb shaba' (H7650, 'to swear an oath') shares the same consonantal root, suggesting an ancient connection between 'seven' and 'oath-taking' — possibly deriving from the practice of sevenfold confirmation of covenants.
Seven is the number of divine completion and covenant in the Hebrew Bible. God rested on the seventh day (Genesis 2:2-3), consecrating it as holy — the first appearance of qodesh ('holy') in Scripture. The sabbatical structure permeates Israel's calendar: seven-day weeks, seven-year sabbaticals, seven-times-seven Jubilee cycles.
Seven appears in covenant ratification: Abraham and Abimelech 'swore' (shaba') by setting aside seven lambs (Genesis 21:28-31). The name 'Beersheba' — 'well of the oath' or 'well of seven' — commemorates this event. In worship, the Menorah had seven branches; priests sprinkled blood seven times. The number seven signifies wholeness, perfection, and divine order — a world functioning as God intended. The Apocalypse of John inherits this: seven seals, seven trumpets, seven bowls, seven churches.