The number 80122
80122 is a composite number with 16 divisors. Its prime factorisation is 2 × 7 × 59 × 97. Divisors (16): 1, 2, 7, 14, 59, 97, 118, 194, 413, 679, 826, 1358, 5723, 11446, 40061, 80122.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80122 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80122 is composite. Its prime factorisation is
- 3
The divisors add up to 141120; without 80122 itself that is 60998, so 80122 is deficient (60998 is less than 80122). Euler's totient φ(80122) = 33408 numbers up to 80122 share no factor with it.
- 4
The digits of 80122 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80122 = 2 \times 7 \times 59 \times 97 \]
80122 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 141120 |
| Euler totient φ(n) | 33408 |
| Square | 6419534884 |
| Cube | 514345973975848 |
| Square root | 283.058298 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 68 |
| Scientific notation | 8.0122 × |
80122 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand one hundred and twenty-two |
| Binary (base 2) | 10011100011111010 |
| Octal (base 8) | 234372 |
| Hexadecimal (base 16) | 138FA |
| Base 3 | 11001220111 |
| As time | 80122 seconds = 22 h 15 min 22 s |
Is 80122 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (80122 ÷ 2 = 40061) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (80122 ÷ 7 = 11446) | 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 2) | 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 2) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80122 a prime number?
No. 80122 = 2 × 7 × 59 × 97, so it is divisible by 2.
What are the factors of 80122?
1, 2, 7, 14, 59, 97, 118, 194, 413, 679, 826, 1358, 5723, 11446, 40061, 80122.
What is 80122 in binary?
10011100011111010 (hexadecimal 138FA, octal 234372).
What is the square root of 80122?
About 283.0583.
Is 80122 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 80122?
It is a composite number with 16 divisors.