Number
133
133 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 7
- Digital root
- 7
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 160
Primality
Prime factorization: 7 × 19
Divisors & multiples
Aliquot sum (sum of proper divisors):
27
Representations
- In words
- one hundred thirty-three
- Ordinal
- 133rd
- Roman numeral
- CXXXIII
- Binary
- 10000101
- Octal
- 205
- Hexadecimal
- 85
Also seen as
Unicode codepoint
U+0085
Control character (Cc)
UTF-8 encoding: C2 85 (2 bytes).
Hex color
#000085
RGB(0, 0, 133)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.133.