number.wiki
Number

23,831

23,831 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
23,832

Primality

23,831 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 23831
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 23,831)
1 × 23831
First multiples
23,831 · 47,662 · 71,493 · 95,324 · 119,155 · 142,986 · 166,817 · 190,648 · 214,479 · 238,310

Representations

In words
twenty-three thousand eight hundred thirty-one
Ordinal
23831st
Binary
101110100010111
Octal
56427
Hexadecimal
5D17

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 23,827 (gap of 4)
  • Next prime: 23,833 (gap of 2)

Pair status: twin with 23833, cousin with 23827.

Unicode codepoint
U+5D17
Other letter (Lo)

UTF-8 encoding: E5 B4 97 (3 bytes).

Hex color
#005D17
RGB(0, 93, 23)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.93.23.