'Thirty' in the Bible

But other [seed] fell on the good soil and produced grain, this one a hundred [times as much] and this one sixty and this one thirty.

But what was sown on the good soil--this is the one who hears the word and understands [it], who indeed bears fruit and produces, this one a hundred [times as much], and this one sixty, and this one thirty."

[and] said, "What are you willing to give me if I in turn deliver him to you?" So they set out for him thirty silver coins.

Then [when] Judas, the one who had betrayed him, saw that he had been condemned, he regretted [what he had done] [and] returned the thirty silver coins to the chief priests and elders,

Then what was spoken by the prophet Jeremiah was fulfilled, who said, "And they took the thirty silver coins, the price of the one who had been priced, [on] whom a price had been set by the sons of Israel,

And other [seed] fell on the good soil, and produced grain, coming up and increasing, and it bore [a crop]--one thirty and one sixty and one a hundred [times as much].

And those are the ones sown on the good soil, who hear the word and receive [it] and bear fruit--one thirty and one sixty and one a hundred [times as much]."

And Jesus, [when he] began [his ministry], was himself about thirty years [old], being the son (as it was believed) of Joseph the [son] of Eli,

Then [when they] had rowed about twenty-five or thirty stadia, they saw Jesus walking on the sea and coming near the boat, and they were afraid.

Now I am saying this: the law, that came after four hundred and thirty years, does not revoke a covenant previously ratified by God, in order to nullify the promise.