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13,724

13,724 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Deficient Number Happy Number

Properties

Parity
Even
Digit count
5
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
12
σ(n) — sum of divisors
24,864

Primality

Prime factorization: 2 2 × 47 × 73

Divisors & multiples

All divisors (12)
1 · 2 · 4 · 47 · 73 · 94 · 146 · 188 · 292 · 3431 · 6862 · 13724
Aliquot sum (sum of proper divisors): 11,140
Factor pairs (a × b = 13,724)
1 × 13724
2 × 6862
4 × 3431
47 × 292
73 × 188
94 × 146
First multiples
13,724 · 27,448 · 41,172 · 54,896 · 68,620 · 82,344 · 96,068 · 109,792 · 123,516 · 137,240

Representations

In words
thirteen thousand seven hundred twenty-four
Ordinal
13724th
Binary
11010110011100
Octal
32634
Hexadecimal
359C

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13724, here are decompositions:

  • 3 + 13721 = 13724
  • 13 + 13711 = 13724
  • 31 + 13693 = 13724
  • 37 + 13687 = 13724
  • 43 + 13681 = 13724
  • 97 + 13627 = 13724
  • 127 + 13597 = 13724
  • 157 + 13567 = 13724

Showing the first eight; more decompositions exist.

Unicode codepoint
U+359C
Other letter (Lo)

UTF-8 encoding: E3 96 9C (3 bytes).

Hex color
#00359C
RGB(0, 53, 156)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.156.