number.wiki
Number

439

439 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
3
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
440

Primality

439 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 439
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 439)
1 × 439
First multiples
439 · 878 · 1,317 · 1,756 · 2,195 · 2,634 · 3,073 · 3,512 · 3,951 · 4,390

Representations

In words
four hundred thirty-nine
Ordinal
439th
Roman numeral
CDXXXIX
Binary
110110111
Octal
667
Hexadecimal
1B7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 433 (gap of 6)
  • Next prime: 443 (gap of 4)

Pair status: cousin with 443, sexy with 433.

Unicode codepoint
Ʒ
U+01B7
Uppercase letter (Lu)

UTF-8 encoding: C6 B7 (2 bytes).

Hex color
#0001B7
RGB(0, 1, 183)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.183.