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131,601

131,601 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.).

131,601 (one hundred thirty-one thousand six hundred one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 43,867. Written other ways, in hexadecimal, 0x20211.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
18 bits
Reversed
106,131
Recamán's sequence
a(229,170) = 131,601
Square (n²)
17,318,823,201
Cube (n³)
2,279,174,452,074,801
Divisor count
4
σ(n) — sum of divisors
175,472
φ(n) — Euler's totient
87,732
Sum of prime factors
43,870

Primality

Prime factorization: 3 × 43867

Nearest primes: 131,591 (−10) · 131,611 (+10)

Divisors & multiples

All divisors (4)
1 · 3 · 43867 · 131601
Aliquot sum (sum of proper divisors): 43,871
Factor pairs (a × b = 131,601)
1 × 131601
3 × 43867
First multiples
131,601 · 263,202 (double) · 394,803 · 526,404 · 658,005 · 789,606 · 921,207 · 1,052,808 · 1,184,409 · 1,316,010

Sums & aliquot sequence

As consecutive integers: 65,800 + 65,801 43,866 + 43,867 + 43,868 21,931 + 21,932 + 21,933 + 21,934 + 21,935 + 21,936
Aliquot sequence: 131,601 43,871 2,329 155 37 1 0 — terminates at zero

Continued fraction of √n

√131,601 = [362; (1, 3, 3, 8, 31, 2, 2, 1, 4, 1, 1, 2, 1, 1, 5, 1, 5, 5, 20, 1, 1, 6, 2, 1, …)]

Representations

In words
one hundred thirty-one thousand six hundred one
Ordinal
131601st
Binary
100000001000010001
Octal
401021
Hexadecimal
0x20211
Base64
AgIR
One's complement
4,294,835,694 (32-bit)
Scientific notation
1.31601 × 10⁵
As a duration
131,601 s = 1 day, 12 hours, 33 minutes, 21 seconds
In other bases
ternary (3) 20200112010
quaternary (4) 200020101
quinary (5) 13202401
senary (6) 2453133
septenary (7) 1055451
nonary (9) 220463
undecimal (11) 8a968
duodecimal (12) 641a9
tridecimal (13) 47b92
tetradecimal (14) 35d61
pentadecimal (15) 28ed6

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵ρλαχαʹ
Mayan (base 20)
𝋰·𝋩·𝋠·𝋡
Chinese
一十三萬一千六百零一
Chinese (financial)
壹拾參萬壹仟陸佰零壹
In other modern scripts
Eastern Arabic ١٣١٦٠١ Devanagari १३१६०१ Bengali ১৩১৬০১ Tamil ௧௩௧௬௦௧ Thai ๑๓๑๖๐๑ Tibetan ༡༣༡༦༠༡ Khmer ១៣១៦០១ Lao ໑໓໑໖໐໑ Burmese ၁၃၁၆၀၁

Also seen as

Unicode codepoint
𠈑
CJK Unified Ideograph-20211
U+20211
Other letter (Lo)

UTF-8 encoding: F0 A0 88 91 (4 bytes).

Hex color
#020211
RGB(2, 2, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.17.

Address
0.2.2.17
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.2.17

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 131,601 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 131601 first appears in π at position 418,562 of the decimal expansion (the 418,562ordinal-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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.