Math lovers uncovered something strange going on with the number 998,001. If you divide 1 by 998,001, the resulting decimal number will give you almost every three-digit number. For example, the decimal starts as follows: 0.000001002003004005006 … and so on. However, one three-digit number gets skipped in this strange series.

— Read on curiosity.com/topics/dividing-1-by-998001-yields-a-strange-decimal-curiosity