The number 1475
1475 is a composite number with 6 divisors. Its prime factorisation is Ć 59. Divisors (6): 1, 5, 25, 59, 295, 1475.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 1475: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
1475 is composite. Its prime factorisation is
- 3
The divisors add up to 1860; without 1475 itself that is 385, so 1475 is deficient (385 is less than 1475). Euler's totient Ļ(1475) = 1160 numbers up to 1475 share no factor with it.
- 4
The digits of 1475 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 140 steps to reach 1.
LaTeX source of the formulas on this page
\[ 1475 = 5^{2} \times 59 \]1475 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 1860 |
| Euler totient Ļ(n) | 1160 |
| Square | 2175625 |
| Cube | 3209046875 |
| Square root | 38.405729 (= 5ā59) |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 140 |
| Scientific notation | 1.475 Ć |
1475 in other forms
| Form | Value |
|---|---|
| In words | one thousand four hundred and seventy-five |
| Roman numerals | MCDLXXV |
| Binary (base 2) | 10111000011 |
| Octal (base 8) | 2703 |
| Hexadecimal (base 16) | 5C3 |
| Base 3 | 2000122 |
| As time | 1475 seconds = 24 min 35 s |
Is 1475 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (1475 Ć· 5 = 295) | 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 5) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 1475 a prime number?
No. 1475 = Ć 59, so it is divisible by 5.
What are the factors of 1475?
1, 5, 25, 59, 295, 1475.
What is 1475 in binary?
10111000011 (hexadecimal 5C3, octal 2703).
What is the square root of 1475?
About 38.4057, exactly 5ā59.
What is 1475 in Roman numerals?
MCDLXXV.
Is 1475 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 1475?
1475 is a happy number: repeatedly adding the squares of its digits reaches 1.