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133,845

133,845 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.).

133,845 (one hundred thirty-three thousand eight hundred forty-five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 5 × 8,923. Written other ways, in hexadecimal, 0x20AD5.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
24
Digit product
1,440
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
548,331
Square (n²)
17,914,484,025
Cube (n³)
2,397,764,114,326,125
Divisor count
8
σ(n) — sum of divisors
214,176
φ(n) — Euler's totient
71,376
Sum of prime factors
8,931

Primality

Prime factorization: 3 × 5 × 8923

Nearest primes: 133,843 (−2) · 133,853 (+8)

Divisors & multiples

All divisors (8)
1 · 3 · 5 · 15 · 8923 · 26769 · 44615 · 133845
Aliquot sum (sum of proper divisors): 80,331
Factor pairs (a × b = 133,845)
1 × 133845
3 × 44615
5 × 26769
15 × 8923
First multiples
133,845 · 267,690 (double) · 401,535 · 535,380 · 669,225 · 803,070 · 936,915 · 1,070,760 · 1,204,605 · 1,338,450

Sums & aliquot sequence

As consecutive integers: 66,922 + 66,923 44,614 + 44,615 + 44,616 26,767 + 26,768 + 26,769 + 26,770 + 26,771 22,305 + 22,306 + 22,307 + 22,308 + 22,309 + 22,310
Aliquot sequence: 133,845 80,331 26,781 9,699 3,693 1,235 445 95 25 6 6 — reaches a perfect number

Continued fraction of √n

√133,845 = [365; (1, 5, 1, 1, 2, 5, 1, 1, 36, 23, 1, 1, 2, 1, 4, 182, 1, 2, 2, 8, 1, 5, 146, 5, …)]

Period length 46 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-three thousand eight hundred forty-five
Ordinal
133845th
Binary
100000101011010101
Octal
405325
Hexadecimal
0x20AD5
Base64
AgrV
One's complement
4,294,833,450 (32-bit)
Scientific notation
1.33845 × 10⁵
As a duration
133,845 s = 1 day, 13 hours, 10 minutes, 45 seconds
In other bases
ternary (3) 20210121020
quaternary (4) 200223111
quinary (5) 13240340
senary (6) 2511353
septenary (7) 1065135
nonary (9) 223536
undecimal (11) 91618
duodecimal (12) 65559
tridecimal (13) 48bca
tetradecimal (14) 36ac5
pentadecimal (15) 299d0

As an angle

133,845° = 371 × 360° + 285°
285° ≈ 4.974 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλγωμεʹ
Mayan (base 20)
𝋰·𝋮·𝋬·𝋥
Chinese
一十三萬三千八百四十五
Chinese (financial)
壹拾參萬參仟捌佰肆拾伍
In other modern scripts
Eastern Arabic ١٣٣٨٤٥ Devanagari १३३८४५ Bengali ১৩৩৮৪৫ Tamil ௧௩௩௮௪௫ Thai ๑๓๓๘๔๕ Tibetan ༡༣༣༨༤༥ Khmer ១៣៣៨៤៥ Lao ໑໓໓໘໔໕ Burmese ၁၃၃၈၄၅

Also seen as

Unicode codepoint
𠫕
CJK Unified Ideograph-20Ad5
U+20AD5
Other letter (Lo)

UTF-8 encoding: F0 A0 AB 95 (4 bytes).

Hex color
#020AD5
RGB(2, 10, 213)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.10.213.

Address
0.2.10.213
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.10.213

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 133,845 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 133845 first appears in π at position 811,892 of the decimal expansion (the 811,892ordinal-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°.