470 in Roman numerals
CDLXX
The number 470 is written CDLXX in Roman numerals.
How CDLXX breaks down
| Symbols | Value |
|---|---|
CD | 400 |
L | 50 |
XX | 2 × 10 = 20 |
CDLXX | 470 |
This numeral uses the subtractive rule: a smaller symbol placed before a larger one is subtracted from it. Only six such pairs are legal — IV (4), IX (9), XL (40), XC (90), CD (400) and CM (900).
Nearby numbers
| Number | Roman numeral |
|---|---|
| 465 | CDLXV |
| 466 | CDLXVI |
| 467 | CDLXVII |
| 468 | CDLXVIII |
| 469 | CDLXIX |
| 470 | CDLXX |
| 471 | CDLXXI |
| 472 | CDLXXII |
| 473 | CDLXXIII |
| 474 | CDLXXIV |
| 475 | CDLXXV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
470 in other notations
| Roman | CDLXX |
| Binary | 111010110 |
| Hexadecimal | 1D6 |
| Octal | 726 |
| Written out | four hundred and seventy |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 470:
CD = 400 remaining: 70
L = 50 remaining: 20
2 × X = 20 remaining: 0
The result reads CDLXX — 5 characters, against 3 digits in Arabic numerals.
Frequently asked questions
What is 470 in Roman numerals?
CDLXX
How do you read CDLXX?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. CD is 400, L is 50, XX is 20, giving 470 in total.
How do you write 470 in words?
four hundred and seventy.
Why is there no zero?
Roman numerals have no symbol for zero. The concept reached Europe only with Hindu-Arabic numerals, centuries after the system was in use — which is a large part of why it was eventually replaced for arithmetic.