'Twenty eight' in the Bible

The length of each curtain shall be twenty-eight cubits, and the width of each curtain four cubits; all the curtains shall have the same measurements.

The length of each curtain was twenty-eight cubits and the width of each curtain four cubits; all the curtains had the same measurements.

Now the time which Jehu reigned over Israel in Samaria was twenty-eight years.

Rehoboam loved Maacah the daughter of Absalom more than all his other wives and concubines. For he had taken eighteen wives and sixty concubines and fathered twenty-eight sons and sixty daughters.