Related Clues:

• Half of a US Open course
• Figure in an emergency number
• 16-Across squared
• The sum of the digits of any multiple of ___ is a multiple of ___ (arithmetic curiosity)
• Single-digit perfect square
• Last number in many prices
• Number of Beethoven symphonies
• Number of forms for the goddess Durga
• Highest digit in Sudoku puzzles, typically
• Number in hibernation in effect
• Number of Worthies
• The Little Rock ___
• Half a round on the links
• Number of lives cats are said to have
• Number of Supreme Court justices