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131,613

131,613 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.).

131,613 (one hundred thirty-one thousand six hundred thirteen) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 19 × 2,309. Written other ways, in hexadecimal, 0x2021D.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
54
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
316,131
Recamán's sequence
a(229,146) = 131,613
Square (n²)
17,321,981,769
Cube (n³)
2,279,797,986,563,397
Divisor count
8
σ(n) — sum of divisors
184,800
φ(n) — Euler's totient
83,088
Sum of prime factors
2,331

Primality

Prime factorization: 3 × 19 × 2309

Nearest primes: 131,611 (−2) · 131,617 (+4)

Divisors & multiples

All divisors (8)
1 · 3 · 19 · 57 · 2309 · 6927 · 43871 · 131613
Aliquot sum (sum of proper divisors): 53,187
Factor pairs (a × b = 131,613)
1 × 131613
3 × 43871
19 × 6927
57 × 2309
First multiples
131,613 · 263,226 (double) · 394,839 · 526,452 · 658,065 · 789,678 · 921,291 · 1,052,904 · 1,184,517 · 1,316,130

Sums & aliquot sequence

As consecutive integers: 65,806 + 65,807 43,870 + 43,871 + 43,872 21,933 + 21,934 + 21,935 + 21,936 + 21,937 + 21,938 6,918 + 6,919 + … + 6,936
Aliquot sequence: 131,613 53,187 17,733 7,035 6,021 2,939 1 0 — terminates at zero

Continued fraction of √n

√131,613 = [362; (1, 3, 1, 1, 1, 7, 6, 3, 2, 4, 5, 3, 1, 2, 4, 1, 2, 2, 7, 1, 2, 1, 2, 12, …)]

Period length 48 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand six hundred thirteen
Ordinal
131613th
Binary
100000001000011101
Octal
401035
Hexadecimal
0x2021D
Base64
AgId
One's complement
4,294,835,682 (32-bit)
Scientific notation
1.31613 × 10⁵
As a duration
131,613 s = 1 day, 12 hours, 33 minutes, 33 seconds
In other bases
ternary (3) 20200112120
quaternary (4) 200020131
quinary (5) 13202423
senary (6) 2453153
septenary (7) 1055466
nonary (9) 220476
undecimal (11) 8a979
duodecimal (12) 641b9
tridecimal (13) 47ba1
tetradecimal (14) 35d6d
pentadecimal (15) 28ee3

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ρλαχιγʹ
Mayan (base 20)
𝋰·𝋩·𝋠·𝋭
Chinese
一十三萬一千六百一十三
Chinese (financial)
壹拾參萬壹仟陸佰壹拾參
In other modern scripts
Eastern Arabic ١٣١٦١٣ Devanagari १३१६१३ Bengali ১৩১৬১৩ Tamil ௧௩௧௬௧௩ Thai ๑๓๑๖๑๓ Tibetan ༡༣༡༦༡༣ Khmer ១៣១៦១៣ Lao ໑໓໑໖໑໓ Burmese ၁၃၁၆၁၃

Also seen as

Unicode codepoint
𠈝
CJK Unified Ideograph-2021D
U+2021D
Other letter (Lo)

UTF-8 encoding: F0 A0 88 9D (4 bytes).

Hex color
#02021D
RGB(2, 2, 29)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.29.

Address
0.2.2.29
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.2.29

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 131,613 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°.