Skewes's number
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In mathematics, Skewes’s number (10101034 or S) is a theorized number in which once it is surpassed, the rarity of prime numbers decreases. The massive number is also used with tetration, yet it is smaller than 10^^4. In math , a^^b = a^a^a^a.....b times
Recent studies show the tipping point to be much lower.