number.wiki
Number

5,531

5,531 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
5,532

Primality

5,531 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 5531
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 5,531)
1 × 5531
First multiples
5,531 · 11,062 · 16,593 · 22,124 · 27,655 · 33,186 · 38,717 · 44,248 · 49,779 · 55,310

Representations

In words
five thousand five hundred thirty-one
Ordinal
5531st
Binary
1010110011011
Octal
12633
Hexadecimal
159B

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 5,527 (gap of 4)
  • Next prime: 5,557 (gap of 26)

Pair status: cousin with 5527.

Unicode codepoint
U+159B
Other letter (Lo)

UTF-8 encoding: E1 96 9B (3 bytes).

Hex color
#00159B
RGB(0, 21, 155)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.21.155.