Q: Is 40,001,921 an Odd Number?
A: Yes, the number 40,001,921 is an odd number.
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. If you divide a number by 2 and there is a remainder left, the number is odd. If you divide by 2 and there is not a remainder left, then the number is even.
Let's try that calculation...
40,001,921 ÷ 2 = 20,000,960.5
Notice the number is not a whole number and has a remainder (the .5)? That means the number is an odd number because it cannot be divided by 2 without a remainder.
Any number that ends in 1, 3, 5, 7 or 9 is an odd number. This is because the number cannot be divided by 2 evenly.
Here are more examples of even and odd numbers in sequence:
| 40,001,919 | 40,001,920 | 40,001,922 | 40,001,923 |
| odd | even | even | odd |