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13,836

13,836 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 Evil Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
21
Digit product
432
Digital root
3
Palindrome
No
Bit width
14 bits
Reversed
63,831
Recamán's sequence
a(21,044) = 13,836
Square (n²)
191,434,896
Cube (n³)
2,648,693,221,056
Divisor count
12
σ(n) — sum of divisors
32,312
φ(n) — Euler's totient
4,608
Sum of prime factors
1,160

Primality

Prime factorization: 2 2 × 3 × 1153

Nearest primes: 13,831 (−5) · 13,841 (+5)

Divisors & multiples

All divisors (12)
1 · 2 · 3 · 4 · 6 · 12 · 1153 · 2306 · 3459 · 4612 · 6918 (half) · 13836
Aliquot sum (sum of proper divisors): 18,476
Factor pairs (a × b = 13,836)
1 × 13836
2 × 6918
3 × 4612
4 × 3459
6 × 2306
12 × 1153
First multiples
13,836 · 27,672 (double) · 41,508 · 55,344 · 69,180 · 83,016 · 96,852 · 110,688 · 124,524 · 138,360

Sums & aliquot sequence

As consecutive integers: 4,611 + 4,612 + 4,613 1,726 + 1,727 + … + 1,733 565 + 566 + … + 588
Aliquot sequence: 13,836 18,476 15,124 12,876 19,044 31,279 1,041 351 209 31 1 0 — terminates at zero

Representations

In words
thirteen thousand eight hundred thirty-six
Ordinal
13836th
Binary
11011000001100
Octal
33014
Hexadecimal
0x360C
Base64
Ngw=
One's complement
51,699 (16-bit)
In other bases
ternary (3) 200222110
quaternary (4) 3120030
quinary (5) 420321
senary (6) 144020
septenary (7) 55224
nonary (9) 20873
undecimal (11) a439
duodecimal (12) 8010
tridecimal (13) 63b4
tetradecimal (14) 5084
pentadecimal (15) 4176

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγωλϛʹ
Mayan (base 20)
𝋡·𝋮·𝋫·𝋰
Chinese
一萬三千八百三十六
Chinese (financial)
壹萬參仟捌佰參拾陸
In other modern scripts
Eastern Arabic ١٣٨٣٦ Devanagari १३८३६ Bengali ১৩৮৩৬ Tamil ௧௩௮௩௬ Thai ๑๓๘๓๖ Tibetan ༡༣༨༣༦ Khmer ១៣៨៣៦ Lao ໑໓໘໓໖ Burmese ၁၃၈၃၆

Digit at this position in famous constants

π — Pi (π)
Digit 13,836 = 4
e — Euler's number (e)
Digit 13,836 = 9
φ — Golden ratio (φ)
Digit 13,836 = 8
√2 — Pythagoras's (√2)
Digit 13,836 = 6
ln 2 — Natural log of 2
Digit 13,836 = 1
γ — Euler-Mascheroni (γ)
Digit 13,836 = 4

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13836, here are decompositions:

  • 5 + 13831 = 13836
  • 7 + 13829 = 13836
  • 29 + 13807 = 13836
  • 37 + 13799 = 13836
  • 47 + 13789 = 13836
  • 73 + 13763 = 13836
  • 79 + 13757 = 13836
  • 107 + 13729 = 13836

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-360C
U+360C
Other letter (Lo)

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

Hex color
#00360C
RGB(0, 54, 12)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.12.

Address
0.0.54.12
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.54.12

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

Position in π

The digit sequence 13836 first appears in π at position 15,905 of the decimal expansion (the 15,905ordinal-suffix:th 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.