Number
208
208 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 3
- Digit sum
- 10
- Digital root
- 1
- Palindrome
- No
- Divisor count
- 10
- σ(n) — sum of divisors
- 434
Primality
Prime factorization: 2 4 × 13
Divisors & multiples
Aliquot sum (sum of proper divisors):
226
Representations
- In words
- two hundred eight
- Ordinal
- 208th
- Roman numeral
- CCVIII
- Binary
- 11010000
- Octal
- 320
- Hexadecimal
- D0
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 208, here are decompositions:
- 11 + 197 = 208
- 17 + 191 = 208
- 29 + 179 = 208
- 41 + 167 = 208
- 59 + 149 = 208
- 71 + 137 = 208
- 101 + 107 = 208
Unicode codepoint
Ð
U+00D0
Uppercase letter (Lu)
UTF-8 encoding: C3 90 (2 bytes).
Hex color
#0000D0
RGB(0, 0, 208)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.208.