121 in Roman Numerals
121
CXXI
one hundred twenty-one
How CXXI is formed
| Place | Value | Symbols |
|---|---|---|
| Hundreds | 100 | C |
| Tens | 20 | XX |
| Units | 1 | I |
| Total | 121 | CXXI |
CXXI is written one place at a time, from the largest to the smallest: C (100) + XX (20) + I (1) = 121.
Numbers near 121
Properties of 121
- Prime factors
- 11²
- Divisors
- 1, 11, 121
- Even or odd
- Odd
- Prime number
- No
- Letters in CXXI
- 4
121 is a perfect square: 11 × 11.
121,000 in Roman numerals
With a bar over it (vinculum), C̅X̅X̅I̅ means 121 × 1,000 = 121,000. How Roman numerals work