1873

This number is a prime.

Charles Hermite proved that the number e was transcendental in 1873. Perhaps you have to be a mathematical hermit to achieve such a great feat.

The smaller of only two 4-digit primes in the Narayana's cows sequence. (The other is 8641). [Loungrides]

The Panic of 1873 was a financial crisis that triggered an economic depression in Europe and North America. [Musson]

1873 is the lesser member of a cousin prime pair (1873, 1877). Curiously, the sum of digits of both numbers also results in a pair of cousin primes. [Anitha]

"The Alleynian" is an annual College magazine that first came out in 1873. [Langley]