number.wiki
Live analysis

131,165

131,165 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.).
Arithmetic Number Cube-Free Deficient Number Evil Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
17
Digit product
90
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
561,131
Square (n²)
17,204,257,225
Cube (n³)
2,256,596,398,917,125
Divisor count
8
σ(n) — sum of divisors
161,880
φ(n) — Euler's totient
101,952
Sum of prime factors
751

Primality

Prime factorization: 5 × 37 × 709

Nearest primes: 131,149 (−16) · 131,171 (+6)

Divisors & multiples

All divisors (8)
1 · 5 · 37 · 185 · 709 · 3545 · 26233 · 131165
Aliquot sum (sum of proper divisors): 30,715
Factor pairs (a × b = 131,165)
1 × 131165
5 × 26233
37 × 3545
185 × 709
First multiples
131,165 · 262,330 (double) · 393,495 · 524,660 · 655,825 · 786,990 · 918,155 · 1,049,320 · 1,180,485 · 1,311,650

Sums & aliquot sequence

As a sum of two squares: 11² + 362² = 107² + 346² = 122² + 341² = 226² + 283²
As consecutive integers: 65,582 + 65,583 26,231 + 26,232 + 26,233 + 26,234 + 26,235 13,112 + 13,113 + … + 13,121 3,527 + 3,528 + … + 3,563
Aliquot sequence: 131,165 30,715 6,149 1,243 125 31 1 0 — terminates at zero

Continued fraction of √n

√131,165 = [362; (5, 1, 65, 65, 1, 5, 724)]

Period length 7 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand one hundred sixty-five
Ordinal
131165th
Binary
100000000001011101
Octal
400135
Hexadecimal
0x2005D
Base64
AgBd
One's complement
4,294,836,130 (32-bit)
Scientific notation
1.31165 × 10⁵
As a duration
131,165 s = 1 day, 12 hours, 26 minutes, 5 seconds
In other bases
ternary (3) 20122220222
quaternary (4) 200001131
quinary (5) 13144130
senary (6) 2451125
septenary (7) 1054256
nonary (9) 218828
undecimal (11) 8a601
duodecimal (12) 63aa5
tridecimal (13) 47918
tetradecimal (14) 35b2d
pentadecimal (15) 28ce5

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλαρξεʹ
Mayan (base 20)
𝋰·𝋧·𝋲·𝋥
Chinese
一十三萬一千一百六十五
Chinese (financial)
壹拾參萬壹仟壹佰陸拾伍
In other modern scripts
Eastern Arabic ١٣١١٦٥ Devanagari १३११६५ Bengali ১৩১১৬৫ Tamil ௧௩௧௧௬௫ Thai ๑๓๑๑๖๕ Tibetan ༡༣༡༡༦༥ Khmer ១៣១១៦៥ Lao ໑໓໑໑໖໕ Burmese ၁၃၁၁၆၅

Also seen as

Unicode codepoint
𠁝
CJK Unified Ideograph-2005D
U+2005D
Other letter (Lo)

UTF-8 encoding: F0 A0 81 9D (4 bytes).

Hex color
#02005D
RGB(2, 0, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.93.

Address
0.2.0.93
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.0.93

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 131,165 and was likely granted around 1872.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.