'Three' in the Bible

Now six stone water jars were set there, in accordance with the ceremonial cleansing of the Jews, each holding two or three measures.

Jesus answered and said to them, "Destroy this temple, and in three days I will raise it up!"

Then the Jews said, "This temple has been under construction forty-six years, and will you raise it up in three days?"

"{Why} was this ointment not sold for three hundred denarii and given to the poor?"

Jesus replied, "Will you lay down your life for me? Truly, truly I say to you, the rooster will not crow until you have denied me three times!