The number 40998
40998 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 6833. Divisors (8): 1, 2, 3, 6, 6833, 13666, 20499, 40998.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40998 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40998 is composite. Its prime factorisation is
- 3
The divisors add up to 82008; without 40998 itself that is 41010, so 40998 is abundant (41010 is more than 40998). Euler's totient φ(40998) = 13664 numbers up to 40998 share no factor with it.
- 4
The digits of 40998 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 62 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40998 = 2 \times 3 \times 6833 \]
40998 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 82008 |
| Euler totient φ(n) | 13664 |
| Square | 1680836004 |
| Cube | 68910914491992 |
| Square root | 202.479629 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 62 |
| Scientific notation | 4.0998 × |
40998 in other forms
| Form | Value |
|---|---|
| In words | forty thousand nine hundred and ninety-eight |
| Binary (base 2) | 1010000000100110 |
| Octal (base 8) | 120046 |
| Hexadecimal (base 16) | A026 |
| Base 3 | 2002020110 |
| As time | 40998 seconds = 11 h 23 min 18 s |
Is 40998 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40998 ÷ 2 = 20499) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (40998 ÷ 3 = 13666) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (40998 ÷ 6 = 6833) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40998 a prime number?
No. 40998 = 2 × 3 × 6833, so it is divisible by 2.
What are the factors of 40998?
1, 2, 3, 6, 6833, 13666, 20499, 40998.
What is 40998 in binary?
1010000000100110 (hexadecimal A026, octal 120046).
What is the square root of 40998?
About 202.4796.
Is 40998 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 40998?
It is a composite number with 8 divisors.