The number 14979
14979 is a composite number with 4 divisors. Its prime factorisation is 3 × 4993. Divisors (4): 1, 3, 4993, 14979.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 14979: a semiprime: 3 × 4993, the product of two primes.
- 2
14979 is composite. Its prime factorisation is
- 3
The divisors add up to 19976; without 14979 itself that is 4997, so 14979 is deficient (4997 is less than 14979). Euler's totient φ(14979) = 9984 numbers up to 14979 share no factor with it.
- 4
The digits of 14979 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 89 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14979 = 3 \times 4993 \]
14979 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 19976 |
| Euler totient φ(n) | 9984 |
| Square | 224370441 |
| Cube | 3360844835739 |
| Square root | 122.388725 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 89 |
| Scientific notation | 1.4979 × |
14979 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand nine hundred and seventy-nine |
| Binary (base 2) | 11101010000011 |
| Octal (base 8) | 35203 |
| Hexadecimal (base 16) | 3A83 |
| Base 3 | 202112210 |
| As time | 14979 seconds = 4 h 9 min 39 s |
Is 14979 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 (14979 ÷ 3 = 4993) | 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 3) | 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 8) | 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 14979 a prime number?
No. 14979 = 3 × 4993, so it is divisible by 3.
What are the factors of 14979?
1, 3, 4993, 14979.
What is 14979 in binary?
11101010000011 (hexadecimal 3A83, octal 35203).
What is the square root of 14979?
About 122.3887.
Is 14979 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 14979?
14979 is a semiprime: 3 × 4993, the product of two primes.