7187

This number is a prime.

+ The first American animal spaceflight, carrying the Rhesus monkey Sam, had a maximum velocity of 7187 kilometers per hour. The flight was launched prior to noon on December 4, 1959, from Wallops Island, Virginia.

+ The first emirp obtained by concatenation of a double-digit number and the sum and product of its own digits. [Loungrides]

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

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