number.wiki
Number

13,831

13,831 is a prime, odd.

Deficient Number Palindrome Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digital root
7
Palindrome
Yes
Divisor count
2
σ(n) — sum of divisors
13,832

Primality

13,831 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 13831
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 13,831)
1 × 13831
First multiples
13,831 · 27,662 · 41,493 · 55,324 · 69,155 · 82,986 · 96,817 · 110,648 · 124,479 · 138,310

Representations

In words
thirteen thousand eight hundred thirty-one
Ordinal
13831st
Binary
11011000000111
Octal
33007
Hexadecimal
3607

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 13,829 (gap of 2)
  • Next prime: 13,841 (gap of 10)

Pair status: twin with 13829.

Unicode codepoint
U+3607
Other letter (Lo)

UTF-8 encoding: E3 98 87 (3 bytes).

Hex color
#003607
RGB(0, 54, 7)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.7.