The number 76201
76201 is a composite number with 4 divisors. Its prime factorisation is 181 × 421. Divisors (4): 1, 181, 421, 76201.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 76201: a semiprime: 181 × 421, the product of two primes.
- 2
76201 is composite. Its prime factorisation is
- 3
The divisors add up to 76804; without 76201 itself that is 603, so 76201 is deficient (603 is less than 76201). Euler's totient φ(76201) = 75600 numbers up to 76201 share no factor with it.
- 4
The digits of 76201 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 200 steps to reach 1.
LaTeX source of the formulas on this page
\[ 76201 = 181 \times 421 \]
76201 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 76804 |
| Euler totient φ(n) | 75600 |
| Square | 5806592401 |
| Cube | 442468147548601 |
| Square root | 276.045286 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 200 |
| Scientific notation | 7.6201 × |
76201 in other forms
| Form | Value |
|---|---|
| In words | seventy-six thousand two hundred and one |
| Binary (base 2) | 10010100110101001 |
| Octal (base 8) | 224651 |
| Hexadecimal (base 16) | 129A9 |
| Base 3 | 10212112021 |
| As time | 76201 seconds = 21 h 10 min 1 s |
Is 76201 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 1) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | 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 76201 a prime number?
No. 76201 = 181 × 421, so it is divisible by 181.
What are the factors of 76201?
1, 181, 421, 76201.
What is 76201 in binary?
10010100110101001 (hexadecimal 129A9, octal 224651).
What is the square root of 76201?
About 276.0453.
Is 76201 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 76201?
76201 is a semiprime: 181 × 421, the product of two primes.