number.wiki
Number

13,687

13,687 is a prime, odd.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
25
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
13,688

Primality

13,687 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 13687
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 13,687)
1 × 13687
First multiples
13,687 · 27,374 · 41,061 · 54,748 · 68,435 · 82,122 · 95,809 · 109,496 · 123,183 · 136,870

Representations

In words
thirteen thousand six hundred eighty-seven
Ordinal
13687th
Binary
11010101110111
Octal
32567
Hexadecimal
3577

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 13,681 (gap of 6)
  • Next prime: 13,691 (gap of 4)

Pair status: cousin with 13691, sexy with 13681.

Unicode codepoint
U+3577
Other letter (Lo)

UTF-8 encoding: E3 95 B7 (3 bytes).

Hex color
#003577
RGB(0, 53, 119)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.119.