1907

This number is a prime.

+ The Panic of 1907 was a financial crisis that occurred in the United States. (Subprime lending was not legal at that time.)

+ 1907^1907 - 1906^1906 is prime. It is the smallest four-digit number with this property. [Bajpai]

+ The New Year's Eve "ball drop" in New York City's Time Square was first held in 1907. [Marshalene]

(There is one curio for this number that has not yet been approved by an editor.)

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