| Number | 840,001 |
|---|---|
| in Words | eight hundred and forty thousand and one |
| Ordinal | eight hundred and forty thousand and first (840001st) |
| On a check | Eight hundred and forty thousand and one and 00/100 |
840,001 in words is written as eight hundred and forty thousand and one.
On a check, write Eight hundred and forty thousand and one and 00/100 on the line for the amount.
The ordinal form of 840,001 is eight hundred and forty thousand and first (840001st).
1 is the only positive integer that is neither prime nor composite — it's in a category entirely its own. Any number times 1 equals itself.