The number 5429
5429 is a composite number with 4 divisors. Its prime factorisation is 61 × 89. Divisors (4): 1, 61, 89, 5429.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5429: a semiprime: 61 × 89, the product of two primes.
- 2
5429 is composite. Its prime factorisation is
- 3
The divisors add up to 5580; without 5429 itself that is 151, so 5429 is deficient (151 is less than 5429). Euler's totient φ(5429) = 5280 numbers up to 5429 share no factor with it.
- 4
The digits of 5429 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 54 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5429 = 61 \times 89 \]
5429 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 5580 |
| Euler totient φ(n) | 5280 |
| Square | 29474041 |
| Cube | 160014568589 |
| Square root | 73.681748 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 54 |
| Scientific notation | 5.429 × |
5429 in other forms
| Form | Value |
|---|---|
| In words | five thousand four hundred and twenty-nine |
| Binary (base 2) | 1010100110101 |
| Octal (base 8) | 12465 |
| Hexadecimal (base 16) | 1535 |
| Base 3 | 21110002 |
| As time | 5429 seconds = 1 h 30 min 29 s |
Is 5429 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 4) | 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 4) | 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 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 5429 a prime number?
No. 5429 = 61 × 89, so it is divisible by 61.
What are the factors of 5429?
1, 61, 89, 5429.
What is 5429 in binary?
1010100110101 (hexadecimal 1535, octal 12465).
What is the square root of 5429?
About 73.6817.
Is 5429 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 5429?
5429 is a semiprime: 61 × 89, the product of two primes.