odd, prime, palindrome · 101st positive integer
The number 101
101 is an odd prime number. It is the 101st positive integer.
Quick reference
| Prime factorization | 101 (prime) |
| Divisors | 1, 101 |
| Binary | 1100101 |
| Hexadecimal | 0x65 |
| Roman numeral | CI |
| Digit sum | 2 |
| Properties | odd, prime, palindrome |
Frequently asked
Is 101 a prime number?
Yes. 101 is prime — its only divisors are 1 and itself.
What are the factors of 101?
The factors (divisors) of 101 are 1, 101.
What is 101 in binary?
101 in binary is 1100101. In hexadecimal it's 65.
What is 101 as a Roman numeral?
101 in Roman numerals is CI.
What's the digit sum of 101?
Adding the digits of 101: 1 + 0 + 1 = 2.