How to write 350 in Roman numerals
Roman numerals are built place by place, from the largest value to the smallest. For 350 the places are 300 (hundreds), 50 (tens).
- Write 300 as
CCC. - Write 50 as
L.
Joined together, CCC + L gives CCCL.
350 digit by digit
| Place | Value | Numeral | Rule used |
|---|---|---|---|
| hundreds | 300 | CCC | the symbol repeated three times (the limit) |
| tens | 50 | L | the five symbol on its own |
Check CCCL by reading it back
Reading CCCL from left to right and adding the pieces: CCC = 300, L = 50. Together that is 300 + 50 = 350, so CCCL and 350 match.
Mistakes to avoid with CCCL
- Never repeat a symbol more than three times in a row. When a fourth would be needed, the subtractive form takes over.
- Only I, X and C may be placed before a larger symbol to subtract, so CCCL never contains forms such as VX or LC.
- Read CCCL as one number, not letter by letter: add the values left to right, except where a smaller symbol sits before a larger one.
Facts about the number 350
- 350 is an even number and composite, with prime factors 2 x 52 x 7.
- In binary 350 is
101011110and in hexadecimal it is15E. - Written out, 350 is "three hundred fifty".
- The digits of 350 add up to 8.
Where you will see 350 in Roman numerals
In extremely voluminous books, 350 is written as CCCL within the front matter or supplementary introductory sections. Typesetters use Roman numerals here to ensure readers do not confuse preliminary pages with the main Arabic-numbered text.
Numbers near 350
| Number | Roman numeral |
|---|---|
| 348 | CCCXLVIII |
| 349 | CCCXLIX |
| 350 | CCCL |
| 351 | CCCLI |
| 352 | CCCLII |
FAQ
What is 350 in Roman numerals?
350 is written CCCL in Roman numerals. It is built from CCC (300), L (50).
How do you write 350 in lowercase Roman numerals?
Lowercase Roman numerals use the same rules, so 350 is cccl. Lowercase is common for page numbers in a book's preface and for outline levels.
How do I convert any number to Roman numerals?
Split the number into thousands, hundreds, tens and ones, write each part with the symbols I, V, X, L, C, D and M, then join them from largest to smallest. Or paste it into the Roman numeral converter, which also converts back.
More roman numerals
- 300 (CCC): previous page
- 400 (CD): next page
- Roman numerals chart: the full list