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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