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131,867

131,867 is a composite number, odd.

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.).

131,867 (one hundred thirty-one thousand eight hundred sixty-seven) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 163 × 809. Written other ways, in hexadecimal, 0x2031B.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
26
Digit product
1,008
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
768,131
Recamán's sequence
a(228,638) = 131,867
Square (n²)
17,388,905,689
Cube (n³)
2,293,022,826,491,363
Divisor count
4
σ(n) — sum of divisors
132,840
φ(n) — Euler's totient
130,896
Sum of prime factors
972

Primality

Prime factorization: 163 × 809

Nearest primes: 131,861 (−6) · 131,891 (+24)

Divisors & multiples

All divisors (4)
1 · 163 · 809 · 131867
Aliquot sum (sum of proper divisors): 973
Factor pairs (a × b = 131,867)
1 × 131867
163 × 809
First multiples
131,867 · 263,734 (double) · 395,601 · 527,468 · 659,335 · 791,202 · 923,069 · 1,054,936 · 1,186,803 · 1,318,670

Sums & aliquot sequence

As consecutive integers: 65,933 + 65,934 728 + 729 + … + 890 242 + 243 + … + 567
Aliquot sequence: 131,867 973 147 81 40 50 43 1 0 — terminates at zero

Continued fraction of √n

√131,867 = [363; (7, 2, 2, 3, 1, 3, 1, 4, 1, 2, 31, 4, 2, 11, 2, 5, 1, 18, 3, 1, 2, 1, 103, 51, …)]

Representations

In words
one hundred thirty-one thousand eight hundred sixty-seven
Ordinal
131867th
Binary
100000001100011011
Octal
401433
Hexadecimal
0x2031B
Base64
AgMb
One's complement
4,294,835,428 (32-bit)
Scientific notation
1.31867 × 10⁵
As a duration
131,867 s = 1 day, 12 hours, 37 minutes, 47 seconds
In other bases
ternary (3) 20200212222
quaternary (4) 200030123
quinary (5) 13204432
senary (6) 2454255
septenary (7) 1056311
nonary (9) 220788
undecimal (11) 9008a
duodecimal (12) 6438b
tridecimal (13) 48038
tetradecimal (14) 360b1
pentadecimal (15) 29112

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλαωξζʹ
Mayan (base 20)
𝋰·𝋩·𝋭·𝋧
Chinese
一十三萬一千八百六十七
Chinese (financial)
壹拾參萬壹仟捌佰陸拾柒
In other modern scripts
Eastern Arabic ١٣١٨٦٧ Devanagari १३१८६७ Bengali ১৩১৮৬৭ Tamil ௧௩௧௮௬௭ Thai ๑๓๑๘๖๗ Tibetan ༡༣༡༨༦༧ Khmer ១៣១៨៦៧ Lao ໑໓໑໘໖໗ Burmese ၁၃၁၈၆၇

Also seen as

Unicode codepoint
𠌛
CJK Unified Ideograph-2031B
U+2031B
Other letter (Lo)

UTF-8 encoding: F0 A0 8C 9B (4 bytes).

Hex color
#02031B
RGB(2, 3, 27)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.27.

Address
0.2.3.27
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.3.27

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 131,867 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 131867 first appears in π at position 467,942 of the decimal expansion (the 467,942ordinal-suffix:nd 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

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.