number.wiki
Number

108

108 is a composite number, even, a calendar year.

Abundant Number Achilles Number Harshad / Niven Powerful Number Year

Properties

Parity
Even
Digit count
3
Digit sum
9
Digital root
9
Palindrome
No
Divisor count
12
σ(n) — sum of divisors
280

Primality

Prime factorization: 2 2 × 3 3

Divisors & multiples

All divisors (12)
1 · 2 · 3 · 4 · 6 · 9 · 12 · 18 · 27 · 36 · 54 · 108
Aliquot sum (sum of proper divisors): 172
Factor pairs (a × b = 108)
1 × 108
2 × 54
3 × 36
4 × 27
6 × 18
9 × 12
First multiples
108 · 216 · 324 · 432 · 540 · 648 · 756 · 864 · 972 · 1,080

Representations

In words
one hundred eight
Ordinal
108th
Roman numeral
CVIII
Binary
1101100
Octal
154
Hexadecimal
6C

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 108, here are decompositions:

  • 5 + 103 = 108
  • 7 + 101 = 108
  • 11 + 97 = 108
  • 19 + 89 = 108
  • 29 + 79 = 108
  • 37 + 71 = 108
  • 41 + 67 = 108
  • 47 + 61 = 108

Showing the first eight; more decompositions exist.

ASCII character

As an ASCII codepoint, 108 is l. Printable ASCII character l.

Hex color
#00006C
RGB(0, 0, 108)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.108.