The number 59979
59979 is a composite number with 4 divisors. Its prime factorisation is 3 × 19993. Divisors (4): 1, 3, 19993, 59979.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 59979: a semiprime: 3 × 19993, the product of two primes.
- 2
59979 is composite. Its prime factorisation is
- 3
The divisors add up to 79976; without 59979 itself that is 19997, so 59979 is deficient (19997 is less than 59979). Euler's totient φ(59979) = 39984 numbers up to 59979 share no factor with it.
- 4
The digits of 59979 add up to 39, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 59979 = 3 \times 19993 \]
59979 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 79976 |
| Euler totient φ(n) | 39984 |
| Square | 3597480441 |
| Cube | 215773279370739 |
| Square root | 244.906104 |
| Digit sum / digital root | 39 / 3 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.9979 × |
59979 in other forms
| Form | Value |
|---|---|
| In words | fifty-nine thousand nine hundred and seventy-nine |
| Binary (base 2) | 1110101001001011 |
| Octal (base 8) | 165113 |
| Hexadecimal (base 16) | EA4B |
| Base 3 | 10001021110 |
| As time | 59979 seconds = 16 h 39 min 39 s |
Is 59979 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 (59979 ÷ 3 = 19993) | 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 3) | 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 7) | 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 59979 a prime number?
No. 59979 = 3 × 19993, so it is divisible by 3.
What are the factors of 59979?
1, 3, 19993, 59979.
What is 59979 in binary?
1110101001001011 (hexadecimal EA4B, octal 165113).
What is the square root of 59979?
About 244.9061.
Is 59979 divisible by 3?
Yes. Its digits add up to 39, a multiple of 3.
What is special about the number 59979?
59979 is a semiprime: 3 × 19993, the product of two primes.