The number 4270
4270 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 7 × 61. Divisors (16): 1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
4270 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
4270 is composite. Its prime factorisation is
- 3
The divisors add up to 8928; without 4270 itself that is 4658, so 4270 is abundant (4658 is more than 4270). Euler's totient φ(4270) = 1440 numbers up to 4270 share no factor with it.
- 4
The digits of 4270 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 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 4270 = 2 \times 5 \times 7 \times 61 \]
4270 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 8928 |
| Euler totient φ(n) | 1440 |
| Square | 18232900 |
| Cube | 77854483000 |
| Square root | 65.345237 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 64 |
| Scientific notation | 4.27 × |
4270 in other forms
| Form | Value |
|---|---|
| In words | four thousand two hundred and seventy |
| Binary (base 2) | 1000010101110 |
| Octal (base 8) | 10256 |
| Hexadecimal (base 16) | 10AE |
| Base 3 | 12212011 |
| As time | 4270 seconds = 1 h 11 min 10 s |
Is 4270 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (4270 ÷ 2 = 2135) | 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 | Yes (4270 ÷ 5 = 854) | 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 (4270 ÷ 7 = 610) | 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 6) | 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 | Yes (4270 ÷ 10 = 427) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 4270 a prime number?
No. 4270 = 2 × 5 × 7 × 61, so it is divisible by 2.
What are the factors of 4270?
1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270.
What is 4270 in binary?
1000010101110 (hexadecimal 10AE, octal 10256).
What is the square root of 4270?
About 65.3452.
Is 4270 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 4270?
It is a composite number with 16 divisors.