The number 35979
35979 is a composite number with 8 divisors. Its prime factorisation is 3 × 67 × 179. Divisors (8): 1, 3, 67, 179, 201, 537, 11993, 35979.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
35979 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
35979 is composite. Its prime factorisation is
- 3
The divisors add up to 48960; without 35979 itself that is 12981, so 35979 is deficient (12981 is less than 35979). Euler's totient φ(35979) = 23496 numbers up to 35979 share no factor with it.
- 4
The digits of 35979 add up to 33, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 80 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35979 = 3 \times 67 \times 179 \]
35979 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 48960 |
| Euler totient φ(n) | 23496 |
| Square | 1294488441 |
| Cube | 46574399618739 |
| Square root | 189.681312 |
| Digit sum / digital root | 33 / 6 |
| Collatz steps to 1 | 80 |
| Scientific notation | 3.5979 × |
35979 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand nine hundred and seventy-nine |
| Binary (base 2) | 1000110010001011 |
| Octal (base 8) | 106213 |
| Hexadecimal (base 16) | 8C8B |
| Base 3 | 1211100120 |
| As time | 35979 seconds = 9 h 59 min 39 s |
Is 35979 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (35979 ÷ 3 = 11993) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 35979 a prime number?
No. 35979 = 3 × 67 × 179, so it is divisible by 3.
What are the factors of 35979?
1, 3, 67, 179, 201, 537, 11993, 35979.
What is 35979 in binary?
1000110010001011 (hexadecimal 8C8B, octal 106213).
What is the square root of 35979?
About 189.6813.
Is 35979 divisible by 3?
Yes. Its digits add up to 33, a multiple of 3.
What is special about the number 35979?
It is a composite number with 8 divisors.