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131,599

131,599 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.).

131,599 (one hundred thirty-one thousand five hundred ninety-nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 13 × 53 × 191. Written other ways, in hexadecimal, 0x2020F.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
28
Digit product
1,215
Digital root
1
Palindrome
No
Bit width
18 bits
Reversed
995,131
Recamán's sequence
a(229,174) = 131,599
Square (n²)
17,318,296,801
Cube (n³)
2,279,070,540,714,799
Divisor count
8
σ(n) — sum of divisors
145,152
φ(n) — Euler's totient
118,560
Sum of prime factors
257

Primality

Prime factorization: 13 × 53 × 191

Nearest primes: 131,591 (−8) · 131,611 (+12)

Divisors & multiples

All divisors (8)
1 · 13 · 53 · 191 · 689 · 2483 · 10123 · 131599
Aliquot sum (sum of proper divisors): 13,553
Factor pairs (a × b = 131,599)
1 × 131599
13 × 10123
53 × 2483
191 × 689
First multiples
131,599 · 263,198 (double) · 394,797 · 526,396 · 657,995 · 789,594 · 921,193 · 1,052,792 · 1,184,391 · 1,315,990

Sums & aliquot sequence

As consecutive integers: 65,799 + 65,800 10,117 + 10,118 + … + 10,129 5,049 + 5,050 + … + 5,074 2,457 + 2,458 + … + 2,509
Aliquot sequence: 131,599 13,553 1 0 — terminates at zero

Continued fraction of √n

√131,599 = [362; (1, 3, 3, 1, 2, 1, 1, 71, 1, 41, 1, 2, 4, 28, 1, 3, 1, 3, 2, 7, 1, 1, 1, 1, …)]

Representations

In words
one hundred thirty-one thousand five hundred ninety-nine
Ordinal
131599th
Binary
100000001000001111
Octal
401017
Hexadecimal
0x2020F
Base64
AgIP
One's complement
4,294,835,696 (32-bit)
Scientific notation
1.31599 × 10⁵
As a duration
131,599 s = 1 day, 12 hours, 33 minutes, 19 seconds
In other bases
ternary (3) 20200112001
quaternary (4) 200020033
quinary (5) 13202344
senary (6) 2453131
septenary (7) 1055446
nonary (9) 220461
undecimal (11) 8a966
duodecimal (12) 641a7
tridecimal (13) 47b90
tetradecimal (14) 35d5d
pentadecimal (15) 28ed4

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλαφϟθʹ
Mayan (base 20)
𝋰·𝋨·𝋳·𝋳
Chinese
一十三萬一千五百九十九
Chinese (financial)
壹拾參萬壹仟伍佰玖拾玖
In other modern scripts
Eastern Arabic ١٣١٥٩٩ Devanagari १३१५९९ Bengali ১৩১৫৯৯ Tamil ௧௩௧௫௯௯ Thai ๑๓๑๕๙๙ Tibetan ༡༣༡༥༩༩ Khmer ១៣១៥៩៩ Lao ໑໓໑໕໙໙ Burmese ၁၃၁၅၉၉

Also seen as

Unicode codepoint
𠈏
CJK Unified Ideograph-2020F
U+2020F
Other letter (Lo)

UTF-8 encoding: F0 A0 88 8F (4 bytes).

Hex color
#02020F
RGB(2, 2, 15)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.15.

Address
0.2.2.15
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.2.15

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 131,599 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 131599 first appears in π at position 532,836 of the decimal expansion (the 532,836ordinal-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