Number
33
33 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 2
- Digit sum
- 6
- Digital root
- 6
- Palindrome
- Yes
- Divisor count
- 4
- σ(n) — sum of divisors
- 48
Primality
Prime factorization: 3 × 11
Divisors & multiples
Aliquot sum (sum of proper divisors):
15
Representations
- In words
- thirty-three
- Ordinal
- 33rd
- Roman numeral
- XXXIII
- Binary
- 100001
- Octal
- 41
- Hexadecimal
- 21
Also seen as
ASCII character
As an ASCII codepoint, 33 is !. Printable ASCII character !.
Hex color
#000021
RGB(0, 0, 33)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.33.