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13,338

13,338 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.).
Abundant Number Harshad / Niven

Properties

Parity
Even
Digit count
5
Digit sum
18
Digital root
9
Palindrome
No
Divisor count
32
σ(n) — sum of divisors
33,600

Primality

Prime factorization: 2 × 3 3 × 13 × 19

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 6 · 9 · 13 · 18 · 19 · 26 · 27 · 38 · 39 · 54 · 57 · 78 · 114 · 117 · 171 · 234 · 247 · 342 · 351 · 494 · 513 · 702 · 741 · 1026 · 1482 · 2223 · 4446 · 6669 · 13338
Aliquot sum (sum of proper divisors): 20,262
Factor pairs (a × b = 13,338)
1 × 13338
2 × 6669
3 × 4446
6 × 2223
9 × 1482
13 × 1026
18 × 741
19 × 702
26 × 513
27 × 494
38 × 351
39 × 342
54 × 247
57 × 234
78 × 171
114 × 117
First multiples
13,338 · 26,676 · 40,014 · 53,352 · 66,690 · 80,028 · 93,366 · 106,704 · 120,042 · 133,380

Representations

In words
thirteen thousand three hundred thirty-eight
Ordinal
13338th
Binary
11010000011010
Octal
32032
Hexadecimal
341A

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13338, here are decompositions:

  • 7 + 13331 = 13338
  • 11 + 13327 = 13338
  • 29 + 13309 = 13338
  • 41 + 13297 = 13338
  • 47 + 13291 = 13338
  • 71 + 13267 = 13338
  • 79 + 13259 = 13338
  • 89 + 13249 = 13338

Showing the first eight; more decompositions exist.

Unicode codepoint
U+341A
Other letter (Lo)

UTF-8 encoding: E3 90 9A (3 bytes).

Hex color
#00341A
RGB(0, 52, 26)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.26.