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131,499

131,499 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.).

131,499 (one hundred thirty-one thousand four hundred ninety-nine) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3² × 19 × 769. Written other ways, in hexadecimal, 0x201AB.

Cube-Free Deficient Number Gapful Number Odious Number Pernicious Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
27
Digit product
972
Digital root
9
Palindrome
No
Bit width
18 bits
Reversed
994,131
Recamán's sequence
a(229,374) = 131,499
Square (n²)
17,291,987,001
Cube (n³)
2,273,878,998,644,499
Divisor count
12
σ(n) — sum of divisors
200,200
φ(n) — Euler's totient
82,944
Sum of prime factors
794

Primality

Prime factorization: 3 2 × 19 × 769

Nearest primes: 131,497 (−2) · 131,501 (+2)

Divisors & multiples

All divisors (12)
1 · 3 · 9 · 19 · 57 · 171 · 769 · 2307 · 6921 · 14611 · 43833 · 131499
Aliquot sum (sum of proper divisors): 68,701
Factor pairs (a × b = 131,499)
1 × 131499
3 × 43833
9 × 14611
19 × 6921
57 × 2307
171 × 769
First multiples
131,499 · 262,998 (double) · 394,497 · 525,996 · 657,495 · 788,994 · 920,493 · 1,051,992 · 1,183,491 · 1,314,990

Sums & aliquot sequence

As consecutive integers: 65,749 + 65,750 43,832 + 43,833 + 43,834 21,914 + 21,915 + 21,916 + 21,917 + 21,918 + 21,919 14,607 + 14,608 + … + 14,615
Aliquot sequence: 131,499 68,701 6,179 205 47 1 0 — terminates at zero

Continued fraction of √n

√131,499 = [362; (1, 1, 1, 2, 4, 1, 361, 1, 4, 2, 1, 1, 1, 724)]

Period length 14 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand four hundred ninety-nine
Ordinal
131499th
Binary
100000000110101011
Octal
400653
Hexadecimal
0x201AB
Base64
AgGr
One's complement
4,294,835,796 (32-bit)
Scientific notation
1.31499 × 10⁵
As a duration
131,499 s = 1 day, 12 hours, 31 minutes, 39 seconds
In other bases
ternary (3) 20200101100
quaternary (4) 200012223
quinary (5) 13201444
senary (6) 2452443
septenary (7) 1055244
nonary (9) 220340
undecimal (11) 8a885
duodecimal (12) 64123
tridecimal (13) 47b14
tetradecimal (14) 35ccb
pentadecimal (15) 28e69

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλαυϟθʹ
Mayan (base 20)
𝋰·𝋨·𝋮·𝋳
Chinese
一十三萬一千四百九十九
Chinese (financial)
壹拾參萬壹仟肆佰玖拾玖
In other modern scripts
Eastern Arabic ١٣١٤٩٩ Devanagari १३१४९९ Bengali ১৩১৪৯৯ Tamil ௧௩௧௪௯௯ Thai ๑๓๑๔๙๙ Tibetan ༡༣༡༤༩༩ Khmer ១៣១៤៩៩ Lao ໑໓໑໔໙໙ Burmese ၁၃၁၄၉၉

Also seen as

Unicode codepoint
𠆫
CJK Unified Ideograph-201Ab
U+201AB
Other letter (Lo)

UTF-8 encoding: F0 A0 86 AB (4 bytes).

Hex color
#0201AB
RGB(2, 1, 171)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.171.

Address
0.2.1.171
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.1.171

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 131,499 and was likely granted around 1872.

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°.