Page 69 - Numbertheory

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7, 9, 3, 1, 7, ... .9 7 × 7 20072
.3 9 × 7 20073
.7 .1 3× 7 20074
.2 .7 1× 7 20075

1× 7 2007
6×7
.4

200781 = 20074×20 × 2007
2006201 × 200781

4n + 4n+1 ()

4( ) 2( ) 1( ) 0 ()

: ()

4 n 6 4n .n )
4n + 4n+1 .0 (6+4
) 4+6 [Hamilton 2006] (
12
5( ) 10 2 ()
4( )
3( )

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