The number 7373
7373 is a composite number with 4 divisors. Its prime factorisation is 73 × 101. Divisors (4): 1, 73, 101, 7373.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 7373: a semiprime: 73 × 101, the product of two primes.
- 2
7373 is composite. Its prime factorisation is
- 3
The divisors add up to 7548; without 7373 itself that is 175, so 7373 is deficient (175 is less than 7373). Euler's totient φ(7373) = 7200 numbers up to 7373 share no factor with it.
- 4
The digits of 7373 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 132 steps to reach 1.
LaTeX source of the formulas on this page
\[ 7373 = 73 \times 101 \]
7373 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 7548 |
| Euler totient φ(n) | 7200 |
| Square | 54361129 |
| Cube | 400804604117 |
| Square root | 85.866175 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 132 |
| Scientific notation | 7.373 × |
7373 in other forms
| Form | Value |
|---|---|
| In words | seven thousand three hundred and seventy-three |
| Binary (base 2) | 1110011001101 |
| Octal (base 8) | 16315 |
| Hexadecimal (base 16) | 1CCD |
| Base 3 | 101010002 |
| As time | 7373 seconds = 2 h 2 min 53 s |
Is 7373 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 2) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 7373 a prime number?
No. 7373 = 73 × 101, so it is divisible by 73.
What are the factors of 7373?
1, 73, 101, 7373.
What is 7373 in binary?
1110011001101 (hexadecimal 1CCD, octal 16315).
What is the square root of 7373?
About 85.8662.
Is 7373 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 7373?
7373 is a semiprime: 73 × 101, the product of two primes.