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447th Lucas Number

447th Number in the Lucas Number Sequence = 1892247019390521442608211077147886839616506438992322504018876947992022613217501281456451614651

In general, the nth term is given by f(n-1)+f(n-2)

To understand this sequence and how it differs from the Fibonacci series, you might find it useful to read the Lucas Sequence tutorial over here.