# 3167

This number is a prime.

On Friday, 7-13-1951, an unlucky date for prime numbers, AT & SF steam locomotive #3167 was lost in the Kaw River flood. It had been deliberately parked on an important Topeka railroad bridge in an ill-fated attempt to stabilize the connection. [Goelz]

The sum of all 3-digit primes beginning with 1 is a prime number, i.e., 101+103+…+199=3167. [Loungrides]

The smallest prime that is inert in all imaginary quadratic fields with unique factorization (that is, in all fields Q(sqrt(-d)) where d is a Heegner number). [Blom]

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