number.wiki
Number

14

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

Catalan Number Deficient Number Square Pyramidal Squarefree Year

Properties

Parity
Even
Digit count
2
Digit sum
5
Digital root
5
Palindrome
No
Divisor count
4
σ(n) — sum of divisors
24

Primality

Prime factorization: 2 × 7

Divisors & multiples

All divisors (4)
1 · 2 · 7 · 14
Aliquot sum (sum of proper divisors): 10
Factor pairs (a × b = 14)
1 × 14
2 × 7
First multiples
14 · 28 · 42 · 56 · 70 · 84 · 98 · 112 · 126 · 140

Representations

In words
fourteen
Ordinal
14th
Roman numeral
XIV
Binary
1110
Octal
16
Hexadecimal
E

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 14, here are decompositions:

  • 3 + 11 = 14
  • 7 + 7 = 14
ASCII character

As an ASCII codepoint, 14 is control character (0x0E). ASCII control character.

Hex color
#00000E
RGB(0, 0, 14)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.14.