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13,804

13,804 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 Arithmetic Number Gapful Number Odious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
14 bits
Reversed
40,831
Recamán's sequence
a(21,108) = 13,804
Square (n²)
190,550,416
Cube (n³)
2,630,357,942,464
Divisor count
24
σ(n) — sum of divisors
30,240
φ(n) — Euler's totient
5,376
Sum of prime factors
57

Primality

Prime factorization: 2 2 × 7 × 17 × 29

Nearest primes: 13,799 (−5) · 13,807 (+3)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 7 · 14 · 17 · 28 · 29 · 34 · 58 · 68 · 116 · 119 · 203 · 238 · 406 · 476 · 493 · 812 · 986 · 1972 · 3451 · 6902 (half) · 13804
Aliquot sum (sum of proper divisors): 16,436
Factor pairs (a × b = 13,804)
1 × 13804
2 × 6902
4 × 3451
7 × 1972
14 × 986
17 × 812
28 × 493
29 × 476
34 × 406
58 × 238
68 × 203
116 × 119
First multiples
13,804 · 27,608 (double) · 41,412 · 55,216 · 69,020 · 82,824 · 96,628 · 110,432 · 124,236 · 138,040

Sums & aliquot sequence

As consecutive integers: 1,969 + 1,970 + … + 1,975 1,722 + 1,723 + … + 1,729 804 + 805 + … + 820 462 + 463 + … + 490
Aliquot sequence: 13,804 16,436 16,492 19,348 19,404 42,840 125,640 283,860 633,420 1,562,004 2,535,180 5,206,260 9,371,436 12,495,276 20,190,804 26,921,100 55,087,540 — unresolved within range

Representations

In words
thirteen thousand eight hundred four
Ordinal
13804th
Binary
11010111101100
Octal
32754
Hexadecimal
0x35EC
Base64
New=
One's complement
51,731 (16-bit)
In other bases
ternary (3) 200221021
quaternary (4) 3113230
quinary (5) 420204
senary (6) 143524
septenary (7) 55150
nonary (9) 20837
undecimal (11) a40a
duodecimal (12) 7ba4
tridecimal (13) 638b
tetradecimal (14) 5060
pentadecimal (15) 4154

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγωδʹ
Mayan (base 20)
𝋡·𝋮·𝋪·𝋤
Chinese
一萬三千八百零四
Chinese (financial)
壹萬參仟捌佰零肆
In other modern scripts
Eastern Arabic ١٣٨٠٤ Devanagari १३८०४ Bengali ১৩৮০৪ Tamil ௧௩௮௦௪ Thai ๑๓๘๐๔ Tibetan ༡༣༨༠༤ Khmer ១៣៨០៤ Lao ໑໓໘໐໔ Burmese ၁၃၈၀၄

Digit at this position in famous constants

π — Pi (π)
Digit 13,804 = 9
e — Euler's number (e)
Digit 13,804 = 8
φ — Golden ratio (φ)
Digit 13,804 = 2
√2 — Pythagoras's (√2)
Digit 13,804 = 4
ln 2 — Natural log of 2
Digit 13,804 = 0
γ — Euler-Mascheroni (γ)
Digit 13,804 = 2

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13804, here are decompositions:

  • 5 + 13799 = 13804
  • 23 + 13781 = 13804
  • 41 + 13763 = 13804
  • 47 + 13757 = 13804
  • 53 + 13751 = 13804
  • 83 + 13721 = 13804
  • 107 + 13697 = 13804
  • 113 + 13691 = 13804

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-35Ec
U+35EC
Other letter (Lo)

UTF-8 encoding: E3 97 AC (3 bytes).

Hex color
#0035EC
RGB(0, 53, 236)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.236.

Address
0.0.53.236
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.53.236

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 13804 first appears in π at position 55,472 of the decimal expansion (the 55,472ordinal-suffix:nd digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.