120 Octal to Roman numerals

120 octal = LXXX Roman numerals

120 written in Roman numerals is LXXX, the number 80 in everyday decimal.

120 octal = LXXX Roman numerals

How to convert 120 to Roman numerals

Step 1: Octal to decimal

Multiply each digit by 8 to the power of its position (0 on the right), then add:

DigitPlace valueDigit × place
182 = 6464
281 = 816
080 = 10

64 + 16 + 0 = 80

Step 2: Decimal to Roman numerals

Take away the largest Roman value that fits, write its symbol, and repeat until nothing is left:

RemainingTake awayWrite
8050L
3010X
2010X
1010X

Result: 80 = LXXX in Roman numerals.

About the number 80

  • 80 is an even number.
  • 80 is not a prime number.
  • Written in binary it needs 7 bits, so it fits in one byte.

Reverse conversion

Frequently asked questions

What is 120 in Roman numerals?

120 in octal is LXXX in Roman numerals (the number 80 in decimal).