That date can be interpreted in two ways. The 6th of July of 1989 was a Thursday. June the 7th 1989 was a Wednesday.
6789/1
6789/1
12345 + 6789 = 19134
2345 x 6789 = 15920205
333 + 6789 = 7,122
1239 x 6789 = 8,411,571
9999x 6789=67883211. You can use a calculator!
It is the same as 6789 x 102 which would be equal to 692478.
8023
0.0049
352,134
0.9134