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105,009

105,009 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.).

105,009 (one hundred five thousand nine) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 17 × 29 × 71. Written other ways, in hexadecimal, 0x19A31.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
17 bits
Reversed
900,501
Recamán's sequence
a(91,065) = 105,009
Square (n²)
11,026,890,081
Cube (n³)
1,157,922,700,515,729
Divisor count
16
σ(n) — sum of divisors
155,520
φ(n) — Euler's totient
62,720
Sum of prime factors
120

Primality

Prime factorization: 3 × 17 × 29 × 71

Nearest primes: 104,999 (−10) · 105,019 (+10)

Divisors & multiples

All divisors (16)
1 · 3 · 17 · 29 · 51 · 71 · 87 · 213 · 493 · 1207 · 1479 · 2059 · 3621 · 6177 · 35003 · 105009
Aliquot sum (sum of proper divisors): 50,511
Factor pairs (a × b = 105,009)
1 × 105009
3 × 35003
17 × 6177
29 × 3621
51 × 2059
71 × 1479
87 × 1207
213 × 493
First multiples
105,009 · 210,018 (double) · 315,027 · 420,036 · 525,045 · 630,054 · 735,063 · 840,072 · 945,081 · 1,050,090

Sums & aliquot sequence

As consecutive integers: 52,504 + 52,505 35,002 + 35,003 + 35,004 17,499 + 17,500 + 17,501 + 17,502 + 17,503 + 17,504 6,169 + 6,170 + … + 6,185
Aliquot sequence: 105,009 50,511 17,889 6,591 2,929 131 1 0 — terminates at zero

Continued fraction of √n

√105,009 = [324; (19, 1, 1, 1, 3, 5, 12, 25, 1, 5, 3, 40, 5, 4, 10, 1, 2, 1, 17, 1, 3, 2, 2, 12, …)]

Representations

In words
one hundred five thousand nine
Ordinal
105009th
Binary
11001101000110001
Octal
315061
Hexadecimal
0x19A31
Base64
AZox
One's complement
4,294,862,286 (32-bit)
Scientific notation
1.05009 × 10⁵
As a duration
105,009 s = 1 day, 5 hours, 10 minutes, 9 seconds
In other bases
ternary (3) 12100001020
quaternary (4) 121220301
quinary (5) 11330014
senary (6) 2130053
septenary (7) 615102
nonary (9) 170036
undecimal (11) 71993
duodecimal (12) 50929
tridecimal (13) 38a48
tetradecimal (14) 2a3a9
pentadecimal (15) 211a9

As an angle

105,009° = 291 × 360° + 249°
249° ≈ 4.346 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρεθʹ
Mayan (base 20)
𝋭·𝋢·𝋪·𝋩
Chinese
一十萬五千零九
Chinese (financial)
壹拾萬伍仟零玖
In other modern scripts
Eastern Arabic ١٠٥٠٠٩ Devanagari १०५००९ Bengali ১০৫০০৯ Tamil ௧௦௫௦௦௯ Thai ๑๐๕๐๐๙ Tibetan ༡༠༥༠༠༩ Khmer ១០៥០០៩ Lao ໑໐໕໐໐໙ Burmese ၁၀၅၀၀၉

Also seen as

Hex color
#019A31
RGB(1, 154, 49)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.154.49.

Address
0.1.154.49
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.154.49

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 105,009 and was likely granted around 1870.

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

Position in π

The digit sequence 105009 first appears in π at position 627,493 of the decimal expansion (the 627,493ordinal-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

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