21₈ in Base 9

  • Binary
  • Octal
  • Decimal
  • Hex
To:
Result:

18

octal to base 9

218 = 189

What is the base 9 equivalent of the octal number 21?

Answer: 21 from Octal to Base 9 is 18.

Related converters: Octal to Base 9 𐊊 Base 9 to Octal