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131,235

131,235 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 Gapful Number Happy Number Harshad / Niven Odious Number Pernicious Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
90
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
532,131
Square (n²)
17,222,625,225
Cube (n³)
2,260,211,221,402,875
Divisor count
16
σ(n) — sum of divisors
226,464
φ(n) — Euler's totient
64,512
Sum of prime factors
694

Primality

Prime factorization: 3 × 5 × 13 × 673

Nearest primes: 131,231 (−4) · 131,249 (+14)

Divisors & multiples

All divisors (16)
1 · 3 · 5 · 13 · 15 · 39 · 65 · 195 · 673 · 2019 · 3365 · 8749 · 10095 · 26247 · 43745 · 131235
Aliquot sum (sum of proper divisors): 95,229
Factor pairs (a × b = 131,235)
1 × 131235
3 × 43745
5 × 26247
13 × 10095
15 × 8749
39 × 3365
65 × 2019
195 × 673
First multiples
131,235 · 262,470 (double) · 393,705 · 524,940 · 656,175 · 787,410 · 918,645 · 1,049,880 · 1,181,115 · 1,312,350

Sums & aliquot sequence

As consecutive integers: 65,617 + 65,618 43,744 + 43,745 + 43,746 26,245 + 26,246 + 26,247 + 26,248 + 26,249 21,870 + 21,871 + 21,872 + 21,873 + 21,874 + 21,875
Aliquot sequence: 131,235 95,229 45,891 20,409 6,807 2,273 1 0 — terminates at zero

Continued fraction of √n

√131,235 = [362; (3, 1, 3, 1, 4, 5, 1, 3, 1, 1, 9, 4, 3, 2, 27, 2, 3, 4, 9, 1, 1, 3, 1, 5, …)]

Period length 30 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand two hundred thirty-five
Ordinal
131235th
Binary
100000000010100011
Octal
400243
Hexadecimal
0x200A3
Base64
AgCj
One's complement
4,294,836,060 (32-bit)
Scientific notation
1.31235 × 10⁵
As a duration
131,235 s = 1 day, 12 hours, 27 minutes, 15 seconds
In other bases
ternary (3) 20200000120
quaternary (4) 200002203
quinary (5) 13144420
senary (6) 2451323
septenary (7) 1054416
nonary (9) 220016
undecimal (11) 8a665
duodecimal (12) 63b43
tridecimal (13) 47970
tetradecimal (14) 35b7d
pentadecimal (15) 28d40

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλασλεʹ
Mayan (base 20)
𝋰·𝋨·𝋡·𝋯
Chinese
一十三萬一千二百三十五
Chinese (financial)
壹拾參萬壹仟貳佰參拾伍
In other modern scripts
Eastern Arabic ١٣١٢٣٥ Devanagari १३१२३५ Bengali ১৩১২৩৫ Tamil ௧௩௧௨௩௫ Thai ๑๓๑๒๓๕ Tibetan ༡༣༡༢༣༥ Khmer ១៣១២៣៥ Lao ໑໓໑໒໓໕ Burmese ၁၃၁၂၃၅

Also seen as

Unicode codepoint
𠂣
CJK Unified Ideograph-200A3
U+200A3
Other letter (Lo)

UTF-8 encoding: F0 A0 82 A3 (4 bytes).

Hex color
#0200A3
RGB(2, 0, 163)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.163.

Address
0.2.0.163
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.0.163

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 131,235 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 131235 first appears in π at position 36,744 of the decimal expansion (the 36,744ordinal-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.