'Thirty' in the Bible

and others fell upon the good ground, and produced fruit, one a hundred, one sixty, and one thirty.

But he that is sown upon the good ground this is he who hears and understands the word, who bears fruit also, and produces, one a hundred, one sixty, and one thirty.

and said, What are ye willing to give me, and I will deliver him up to you? And they appointed to him thirty pieces of silver.

Then Judas, who delivered him up, seeing that he had been condemned, filled with remorse, returned the thirty pieces of silver to the chief priests and the elders,

Then was fulfilled that which was spoken through Jeremias the prophet, saying, And I took the thirty pieces of silver, the price of him that was set a price on, whom they who were of the sons of Israel had set a price on,