The number 59989
59989 is a composite number with 4 divisors. Its prime factorisation is 239 × 251. Divisors (4): 1, 239, 251, 59989.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 59989: a semiprime: 239 × 251, the product of two primes.
- 2
59989 is composite. Its prime factorisation is
- 3
The divisors add up to 60480; without 59989 itself that is 491, so 59989 is deficient (491 is less than 59989). Euler's totient φ(59989) = 59500 numbers up to 59989 share no factor with it.
- 4
The digits of 59989 add up to 40, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 179 steps to reach 1.
LaTeX source of the formulas on this page
\[ 59989 = 239 \times 251 \]
59989 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 60480 |
| Euler totient φ(n) | 59500 |
| Square | 3598680121 |
| Cube | 215881221778669 |
| Square root | 244.926520 |
| Digit sum / digital root | 40 / 4 |
| Collatz steps to 1 | 179 |
| Scientific notation | 5.9989 × |
59989 in other forms
| Form | Value |
|---|---|
| In words | fifty-nine thousand nine hundred and eighty-nine |
| Binary (base 2) | 1110101001010101 |
| Octal (base 8) | 165125 |
| Hexadecimal (base 16) | EA55 |
| Base 3 | 10001021211 |
| As time | 59989 seconds = 16 h 39 min 49 s |
Is 59989 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 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 1) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 59989 a prime number?
No. 59989 = 239 × 251, so it is divisible by 239.
What are the factors of 59989?
1, 239, 251, 59989.
What is 59989 in binary?
1110101001010101 (hexadecimal EA55, octal 165125).
What is the square root of 59989?
About 244.9265.
Is 59989 divisible by 3?
No. Its digits add up to 40, which is not a multiple of 3.
What is special about the number 59989?
59989 is a semiprime: 239 × 251, the product of two primes.