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113,688

113,688 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.).

113,688 (one hundred thirteen thousand six hundred eighty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2³ × 3² × 1,579. Its proper divisors sum to 194,412, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1BC18.

Abundant Number Evil Number Gapful Number Recamán's Sequence Refactorable Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
27
Digit product
1,152
Digital root
9
Palindrome
No
Bit width
17 bits
Reversed
886,311
Recamán's sequence
a(63,239) = 113,688
Square (n²)
12,924,961,344
Cube (n³)
1,469,413,005,276,672
Divisor count
24
σ(n) — sum of divisors
308,100
φ(n) — Euler's totient
37,872
Sum of prime factors
1,591

Primality

Prime factorization: 2 3 × 3 2 × 1579

Nearest primes: 113,683 (−5) · 113,717 (+29)

Divisors & multiples

All divisors (24)
1 · 2 · 3 · 4 · 6 · 8 · 9 · 12 · 18 · 24 · 36 · 72 · 1579 · 3158 · 4737 · 6316 · 9474 · 12632 · 14211 · 18948 · 28422 · 37896 · 56844 (half) · 113688
Aliquot sum (sum of proper divisors): 194,412
Factor pairs (a × b = 113,688)
1 × 113688
2 × 56844
3 × 37896
4 × 28422
6 × 18948
8 × 14211
9 × 12632
12 × 9474
18 × 6316
24 × 4737
36 × 3158
72 × 1579
First multiples
113,688 · 227,376 (double) · 341,064 · 454,752 · 568,440 · 682,128 · 795,816 · 909,504 · 1,023,192 · 1,136,880

Sums & aliquot sequence

As consecutive integers: 37,895 + 37,896 + 37,897 12,628 + 12,629 + … + 12,636 7,098 + 7,099 + … + 7,113 2,345 + 2,346 + … + 2,392
Aliquot sequence: 113,688 194,412 286,404 405,756 797,684 628,300 770,916 1,134,204 1,569,924 2,398,586 1,260,454 775,706 387,856 471,216 746,216 691,324 524,324 — unresolved within range

Continued fraction of √n

√113,688 = [337; (5, 1, 1, 1, 83, 1, 1, 1, 5, 674)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
one hundred thirteen thousand six hundred eighty-eight
Ordinal
113688th
Binary
11011110000011000
Octal
336030
Hexadecimal
0x1BC18
Base64
AbwY
One's complement
4,294,853,607 (32-bit)
Scientific notation
1.13688 × 10⁵
As a duration
113,688 s = 1 day, 7 hours, 34 minutes, 48 seconds
In other bases
ternary (3) 12202221200
quaternary (4) 123300120
quinary (5) 12114223
senary (6) 2234200
septenary (7) 652311
nonary (9) 182850
undecimal (11) 78463
duodecimal (12) 55960
tridecimal (13) 3c993
tetradecimal (14) 2d608
pentadecimal (15) 23a43

As an angle

113,688° = 315 × 360° + 288°
288° ≈ 5.027 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ριγχπηʹ
Mayan (base 20)
𝋮·𝋤·𝋤·𝋨
Chinese
一十一萬三千六百八十八
Chinese (financial)
壹拾壹萬參仟陸佰捌拾捌
In other modern scripts
Eastern Arabic ١١٣٦٨٨ Devanagari ११३६८८ Bengali ১১৩৬৮৮ Tamil ௧௧௩௬௮௮ Thai ๑๑๓๖๘๘ Tibetan ༡༡༣༦༨༨ Khmer ១១៣៦៨៨ Lao ໑໑໓໖໘໘ Burmese ၁၁၃၆၈၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 113688, here are decompositions:

  • 5 + 113683 = 113688
  • 31 + 113657 = 113688
  • 41 + 113647 = 113688
  • 67 + 113621 = 113688
  • 97 + 113591 = 113688
  • 131 + 113557 = 113688
  • 149 + 113539 = 113688
  • 151 + 113537 = 113688

Showing the first eight; more decompositions exist.

Unicode codepoint
𛰘
Duployan Letter Rh
U+1BC18
Other letter (Lo)

UTF-8 encoding: F0 9B B0 98 (4 bytes).

Hex color
#01BC18
RGB(1, 188, 24)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.188.24.

Address
0.1.188.24
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.188.24

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 113,688 and was likely granted around 1871.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.