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131,982

131,982 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.).

131,982 (one hundred thirty-one thousand nine hundred eighty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 21,997. Its proper divisors sum to 131,994, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2038E.

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

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
24
Digit product
432
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
289,131
Recamán's sequence
a(228,408) = 131,982
Square (n²)
17,419,248,324
Cube (n³)
2,299,027,232,298,168
Divisor count
8
σ(n) — sum of divisors
263,976
φ(n) — Euler's totient
43,992
Sum of prime factors
22,002

Primality

Prime factorization: 2 × 3 × 21997

Nearest primes: 131,969 (−13) · 132,001 (+19)

Divisors & multiples

All divisors (8)
1 · 2 · 3 · 6 · 21997 · 43994 · 65991 (half) · 131982
Aliquot sum (sum of proper divisors): 131,994
Factor pairs (a × b = 131,982)
1 × 131982
2 × 65991
3 × 43994
6 × 21997
First multiples
131,982 · 263,964 (double) · 395,946 · 527,928 · 659,910 · 791,892 · 923,874 · 1,055,856 · 1,187,838 · 1,319,820

Sums & aliquot sequence

As consecutive integers: 43,993 + 43,994 + 43,995 32,994 + 32,995 + 32,996 + 32,997 10,993 + 10,994 + … + 11,004
Aliquot sequence: 131,982 131,994 154,032 244,008 417,042 509,838 680,562 844,764 1,314,372 1,952,108 1,496,764 1,132,100 1,324,774 843,074 428,734 228,194 119,134 — unresolved within range

Continued fraction of √n

√131,982 = [363; (3, 2, 2, 3, 1, 2, 31, 4, 2, 1, 8, 1, 2, 1, 9, 1, 3, 1, 2, 4, 10, 242, 10, 4, …)]

Period length 44 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand nine hundred eighty-two
Ordinal
131982nd
Binary
100000001110001110
Octal
401616
Hexadecimal
0x2038E
Base64
AgOO
One's complement
4,294,835,313 (32-bit)
Scientific notation
1.31982 × 10⁵
As a duration
131,982 s = 1 day, 12 hours, 39 minutes, 42 seconds
In other bases
ternary (3) 20201001020
quaternary (4) 200032032
quinary (5) 13210412
senary (6) 2455010
septenary (7) 1056534
nonary (9) 221036
undecimal (11) 90184
duodecimal (12) 64466
tridecimal (13) 480c6
tetradecimal (14) 36154
pentadecimal (15) 2918c

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵ρλαϡπβʹ
Mayan (base 20)
𝋰·𝋩·𝋳·𝋢
Chinese
一十三萬一千九百八十二
Chinese (financial)
壹拾參萬壹仟玖佰捌拾貳
In other modern scripts
Eastern Arabic ١٣١٩٨٢ Devanagari १३१९८२ Bengali ১৩১৯৮২ Tamil ௧௩௧௯௮௨ Thai ๑๓๑๙๘๒ Tibetan ༡༣༡༩༨༢ Khmer ១៣១៩៨២ Lao ໑໓໑໙໘໒ Burmese ၁၃၁၉၈၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131982, here are decompositions:

  • 13 + 131969 = 131982
  • 23 + 131959 = 131982
  • 41 + 131941 = 131982
  • 43 + 131939 = 131982
  • 73 + 131909 = 131982
  • 83 + 131899 = 131982
  • 89 + 131893 = 131982
  • 199 + 131783 = 131982

Showing the first eight; more decompositions exist.

Unicode codepoint
𠎎
CJK Unified Ideograph-2038E
U+2038E
Other letter (Lo)

UTF-8 encoding: F0 A0 8E 8E (4 bytes).

Hex color
#02038E
RGB(2, 3, 142)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.142.

Address
0.2.3.142
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.3.142

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 131,982 and was likely granted around 1872.

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

Position in π

The digit sequence 131982 first appears in π at position 47,503 of the decimal expansion (the 47,503ordinal-suffix:rd 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°.