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133,909

133,909 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.).

133,909 (one hundred thirty-three thousand nine hundred nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 17 × 7,877. Written other ways, in hexadecimal, 0x20B15.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
25
Digit product
0
Digital root
7
Palindrome
No
Bit width
18 bits
Reversed
909,331
Square (n²)
17,931,620,281
Cube (n³)
2,401,205,340,208,429
Divisor count
4
σ(n) — sum of divisors
141,804
φ(n) — Euler's totient
126,016
Sum of prime factors
7,894

Primality

Prime factorization: 17 × 7877

Nearest primes: 133,877 (−32) · 133,919 (+10)

Divisors & multiples

All divisors (4)
1 · 17 · 7877 · 133909
Aliquot sum (sum of proper divisors): 7,895
Factor pairs (a × b = 133,909)
1 × 133909
17 × 7877
First multiples
133,909 · 267,818 (double) · 401,727 · 535,636 · 669,545 · 803,454 · 937,363 · 1,071,272 · 1,205,181 · 1,339,090

Sums & aliquot sequence

As a sum of two squares: 122² + 345² = 247² + 270²
As consecutive integers: 66,954 + 66,955 7,869 + 7,870 + … + 7,885 3,922 + 3,923 + … + 3,955
Aliquot sequence: 133,909 7,895 1,585 323 37 1 0 — terminates at zero

Continued fraction of √n

√133,909 = [365; (1, 14, 1, 1, 2, 1, 11, 2, 13, 1, 1, 2, 7, 2, 8, 1, 1, 3, 4, 2, 3, 1, 1, 4, …)]

Representations

In words
one hundred thirty-three thousand nine hundred nine
Ordinal
133909th
Binary
100000101100010101
Octal
405425
Hexadecimal
0x20B15
Base64
AgsV
One's complement
4,294,833,386 (32-bit)
Scientific notation
1.33909 × 10⁵
As a duration
133,909 s = 1 day, 13 hours, 11 minutes, 49 seconds
In other bases
ternary (3) 20210200121
quaternary (4) 200230111
quinary (5) 13241114
senary (6) 2511541
septenary (7) 1065256
nonary (9) 223617
undecimal (11) 91676
duodecimal (12) 655b1
tridecimal (13) 48c49
tetradecimal (14) 36b2d
pentadecimal (15) 29a24

As an angle

133,909° = 371 × 360° + 349°
349° ≈ 6.091 rad
Compass bearing: N (north)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλγϡθʹ
Mayan (base 20)
𝋰·𝋮·𝋯·𝋩
Chinese
一十三萬三千九百零九
Chinese (financial)
壹拾參萬參仟玖佰零玖
In other modern scripts
Eastern Arabic ١٣٣٩٠٩ Devanagari १३३९०९ Bengali ১৩৩৯০৯ Tamil ௧௩௩௯௦௯ Thai ๑๓๓๙๐๙ Tibetan ༡༣༣༩༠༩ Khmer ១៣៣៩០៩ Lao ໑໓໓໙໐໙ Burmese ၁၃၃၉၀၉

Also seen as

Unicode codepoint
𠬕
CJK Unified Ideograph-20B15
U+20B15
Other letter (Lo)

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

Hex color
#020B15
RGB(2, 11, 21)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.11.21.

Address
0.2.11.21
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.11.21

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 133,909 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 133909 first appears in π at position 88,753 of the decimal expansion (the 88,753ordinal-suffix:rd 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