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Number

5,231

5,231 is a prime, odd.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
5,232

Primality

5,231 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 5231
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 5,231)
1 × 5231
First multiples
5,231 · 10,462 · 15,693 · 20,924 · 26,155 · 31,386 · 36,617 · 41,848 · 47,079 · 52,310

Representations

In words
five thousand two hundred thirty-one
Ordinal
5231st
Binary
1010001101111
Octal
12157
Hexadecimal
146F

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 5,227 (gap of 4)
  • Next prime: 5,233 (gap of 2)

Pair status: twin with 5233, cousin with 5227.

Unicode codepoint
U+146F
Other letter (Lo)

UTF-8 encoding: E1 91 AF (3 bytes).

Hex color
#00146F
RGB(0, 20, 111)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.20.111.