number.wiki
Number

326

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

Deficient Number Happy Number Squarefree Year

Properties

Parity
Even
Digit count
3
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
4
σ(n) — sum of divisors
492

Primality

Prime factorization: 2 × 163

Divisors & multiples

All divisors (4)
1 · 2 · 163 · 326
Aliquot sum (sum of proper divisors): 166
Factor pairs (a × b = 326)
1 × 326
2 × 163
First multiples
326 · 652 · 978 · 1,304 · 1,630 · 1,956 · 2,282 · 2,608 · 2,934 · 3,260

Representations

In words
three hundred twenty-six
Ordinal
326th
Roman numeral
CCCXXVI
Binary
101000110
Octal
506
Hexadecimal
146

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 326, here are decompositions:

  • 13 + 313 = 326
  • 19 + 307 = 326
  • 43 + 283 = 326
  • 97 + 229 = 326
  • 103 + 223 = 326
  • 127 + 199 = 326
  • 163 + 163 = 326
Unicode codepoint
ņ
U+0146
Lowercase letter (Ll)

UTF-8 encoding: C5 86 (2 bytes).

Hex color
#000146
RGB(0, 1, 70)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.70.