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113,388

113,388 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.).

113,388 (one hundred thirteen thousand three hundred eighty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 11 × 859. Its proper divisors sum to 175,572, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1BAEC.

Abundant Number Arithmetic Number Cube-Free Odious Number Pernicious Number Recamán's Sequence Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
24
Digit product
576
Digital root
6
Palindrome
No
Bit width
17 bits
Reversed
883,311
Recamán's sequence
a(54,675) = 113,388
Square (n²)
12,856,838,544
Cube (n³)
1,457,811,208,827,072
Divisor count
24
σ(n) — sum of divisors
288,960
φ(n) — Euler's totient
34,320
Sum of prime factors
877

Primality

Prime factorization: 2 2 × 3 × 11 × 859

Nearest primes: 113,383 (−5) · 113,417 (+29)

Divisors & multiples

All divisors (24)
1 · 2 · 3 · 4 · 6 · 11 · 12 · 22 · 33 · 44 · 66 · 132 · 859 · 1718 · 2577 · 3436 · 5154 · 9449 · 10308 · 18898 · 28347 · 37796 · 56694 (half) · 113388
Aliquot sum (sum of proper divisors): 175,572
Factor pairs (a × b = 113,388)
1 × 113388
2 × 56694
3 × 37796
4 × 28347
6 × 18898
11 × 10308
12 × 9449
22 × 5154
33 × 3436
44 × 2577
66 × 1718
132 × 859
First multiples
113,388 · 226,776 (double) · 340,164 · 453,552 · 566,940 · 680,328 · 793,716 · 907,104 · 1,020,492 · 1,133,880

Sums & aliquot sequence

As consecutive integers: 37,795 + 37,796 + 37,797 14,170 + 14,171 + … + 14,177 10,303 + 10,304 + … + 10,313 4,713 + 4,714 + … + 4,736
Aliquot sequence: 113,388 175,572 268,326 328,074 328,086 447,858 534,942 638,802 806,382 1,015,218 1,184,460 2,309,940 4,890,708 7,648,000 11,483,840 17,484,352 17,211,286 — unresolved within range

Continued fraction of √n

√113,388 = [336; (1, 2, 1, 2, 1, 1, 1, 1, 60, 1, 1, 1, 1, 2, 1, 2, 1, 672)]

Period length 18 — the block in parentheses repeats forever.

Representations

In words
one hundred thirteen thousand three hundred eighty-eight
Ordinal
113388th
Binary
11011101011101100
Octal
335354
Hexadecimal
0x1BAEC
Base64
Abrs
One's complement
4,294,853,907 (32-bit)
Scientific notation
1.13388 × 10⁵
As a duration
113,388 s = 1 day, 7 hours, 29 minutes, 48 seconds
In other bases
ternary (3) 12202112120
quaternary (4) 123223230
quinary (5) 12112023
senary (6) 2232540
septenary (7) 651402
nonary (9) 182476
undecimal (11) 78210
duodecimal (12) 55750
tridecimal (13) 3c7c2
tetradecimal (14) 2d472
pentadecimal (15) 238e3

As an angle

113,388° = 314 × 360° + 348°
348° ≈ 6.074 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ριγτπηʹ
Mayan (base 20)
𝋮·𝋣·𝋩·𝋨
Chinese
一十一萬三千三百八十八
Chinese (financial)
壹拾壹萬參仟參佰捌拾捌
In other modern scripts
Eastern Arabic ١١٣٣٨٨ Devanagari ११३३८८ Bengali ১১৩৩৮৮ Tamil ௧௧௩௩௮௮ Thai ๑๑๓๓๘๘ Tibetan ༡༡༣༣༨༨ Khmer ១១៣៣៨៨ Lao ໑໑໓໓໘໘ Burmese ၁၁၃၃၈၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 113388, here are decompositions:

  • 5 + 113383 = 113388
  • 7 + 113381 = 113388
  • 17 + 113371 = 113388
  • 29 + 113359 = 113388
  • 31 + 113357 = 113388
  • 47 + 113341 = 113388
  • 59 + 113329 = 113388
  • 61 + 113327 = 113388

Showing the first eight; more decompositions exist.

Hex color
#01BAEC
RGB(1, 186, 236)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.186.236.

Address
0.1.186.236
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.186.236

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 113,388 and was likely granted around 1871.

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

Position in π

The digit sequence 113388 first appears in π at position 188,701 of the decimal expansion (the 188,701ordinal-suffix:st 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.

Related reading

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