odd, prime · 53rd positive integer
The number 53
53 is an odd prime number. It is the 53rd positive integer.
Quick reference
| Prime factorization | 53 (prime) |
| Divisors | 1, 53 |
| Binary | 110101 |
| Hexadecimal | 0x35 |
| Roman numeral | LIII |
| Digit sum | 8 |
| Properties | odd, prime |
Frequently asked
Is 53 a prime number?
Yes. 53 is prime — its only divisors are 1 and itself.
What are the factors of 53?
The factors (divisors) of 53 are 1, 53.
What is 53 in binary?
53 in binary is 110101. In hexadecimal it's 35.
What is 53 as a Roman numeral?
53 in Roman numerals is LIII.
What's the digit sum of 53?
Adding the digits of 53: 5 + 3 = 8.