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188,006

188,006 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.).

188,006 (one hundred eighty-eight thousand six) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 13 × 1,033. Written other ways, in hexadecimal, 0x2DE66.

Arithmetic Number Cube-Free Deficient Number Flippable Odious Number Pernicious Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
23
Digit product
0
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
600,881
Flips to (rotate 180°)
900,881
Square (n²)
35,346,256,036
Cube (n³)
6,645,308,212,304,216
Divisor count
16
σ(n) — sum of divisors
347,424
φ(n) — Euler's totient
74,304
Sum of prime factors
1,055

Primality

Prime factorization: 2 × 7 × 13 × 1033

Nearest primes: 187,987 (−19) · 188,011 (+5)

Divisors & multiples

All divisors (16)
1 · 2 · 7 · 13 · 14 · 26 · 91 · 182 · 1033 · 2066 · 7231 · 13429 · 14462 · 26858 · 94003 (half) · 188006
Aliquot sum (sum of proper divisors): 159,418
Factor pairs (a × b = 188,006)
1 × 188006
2 × 94003
7 × 26858
13 × 14462
14 × 13429
26 × 7231
91 × 2066
182 × 1033
First multiples
188,006 · 376,012 (double) · 564,018 · 752,024 · 940,030 · 1,128,036 · 1,316,042 · 1,504,048 · 1,692,054 · 1,880,060

Sums & aliquot sequence

As consecutive integers: 47,000 + 47,001 + 47,002 + 47,003 26,855 + 26,856 + … + 26,861 14,456 + 14,457 + … + 14,468 6,701 + 6,702 + … + 6,728
Aliquot sequence: 188,006 → 159,418 → 119,942 → 59,974 → 31,034 → 16,486 → 8,246 → 7,114 → 3,560 → 4,540 → 5,036 → 3,784 → 4,136 → 4,504 → 3,956 → 3,436 → 2,584 — unresolved within range

Continued fraction of √n

√188,006 = [433; (1, 1, 2, 11, 3, 7, 2, 1, 5, 1, 5, 4, 1, 2, 15, 2, 2, 3, 3, 2, 10, 7, 14, 13, …)]

Representations

In words
one hundred eighty-eight thousand six
Ordinal
188006th
Binary
101101111001100110
Octal
557146
Hexadecimal
0x2DE66
Base64
At5m
One's complement
4,294,779,289 (32-bit)
Scientific notation
1.88006 × 10⁵
As a duration
188,006 s = 2 days, 4 hours, 13 minutes, 26 seconds
In other bases
ternary (3) 100112220012
quaternary (4) 231321212
quinary (5) 22004011
senary (6) 4010222
septenary (7) 1412060
nonary (9) 315805
undecimal (11) 119285
duodecimal (12) 90972
tridecimal (13) 67760
tetradecimal (14) 4c730
pentadecimal (15) 3aa8b

As an angle

188,006° = 522 × 360° + 86°
86° ≈ 1.501 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρπηϛʹ
Chinese
十八萬八千零六
Chinese (financial)
壹拾捌萬捌仟零陸
In other modern scripts
Eastern Arabic ١٨٨٠٠٦ Devanagari १८८००६ Bengali ১৮৮০০৬ Tamil ௧௮௮௦௦௬ Thai ๑๘๘๐๐๖ Tibetan ༡༨༨༠༠༦ Khmer ១៨៨០០៦ Lao ໑໘໘໐໐໖ Burmese ၁၈၈၀၀၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 188006, here are decompositions:

  • 19 + 187987 = 188006
  • 43 + 187963 = 188006
  • 79 + 187927 = 188006
  • 97 + 187909 = 188006
  • 109 + 187897 = 188006
  • 163 + 187843 = 188006
  • 307 + 187699 = 188006
  • 337 + 187669 = 188006

Showing the first eight; more decompositions exist.

Unicode codepoint
𭹦
CJK Unified Ideograph-2De66
U+2DE66
Other letter (Lo)

UTF-8 encoding: F0 AD B9 A6 (4 bytes).

Hex color
#02DE66
RGB(2, 222, 102)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.222.102.

Address
0.2.222.102
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.222.102

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 188,006 and was likely granted around 1875.

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

Position in π

The digit sequence 188006 first appears in π at position 173,697 of the decimal expansion (the 173,697ordinal-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.

Related reading

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