1333333332
999998999000001
99999998900000001
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
999999999
9.99999998 x 10^17
1333333332
1,234 x 666,666,666 = 822,666,665,844
999998999000001
99999998900000001
8.88888879E16
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
666666666
Prime factorization of 999999999 = 34 × 37 × 333667
666666666 + 55555555555555 = 55556222222221
999,999,999 x 89,898,775,345,606 = 89,898,775,255,707,224,654,394
999999999/1