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109,985

109,985 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.).

109,985 (one hundred nine thousand nine hundred eighty-five) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 5 × 21,997. Written other ways, in hexadecimal, 0x1ADA1.

Arithmetic Number Cube-Free Deficient Number Odious Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
32
Digit product
0
Digital root
5
Palindrome
No
Bit width
17 bits
Reversed
589,901
Recamán's sequence
a(249,326) = 109,985
Square (n²)
12,096,700,225
Cube (n³)
1,330,455,574,246,625
Divisor count
4
σ(n) — sum of divisors
131,988
φ(n) — Euler's totient
87,984
Sum of prime factors
22,002

Primality

Prime factorization: 5 × 21997

Nearest primes: 109,961 (−24) · 109,987 (+2)

Divisors & multiples

All divisors (4)
1 · 5 · 21997 · 109985
Aliquot sum (sum of proper divisors): 22,003
Factor pairs (a × b = 109,985)
1 × 109985
5 × 21997
First multiples
109,985 · 219,970 (double) · 329,955 · 439,940 · 549,925 · 659,910 · 769,895 · 879,880 · 989,865 · 1,099,850

Sums & aliquot sequence

As a sum of two squares: 49² + 328² = 233² + 236²
As consecutive integers: 54,992 + 54,993 21,995 + 21,996 + 21,997 + 21,998 + 21,999 10,994 + 10,995 + … + 11,003
Aliquot sequence: 109,985 22,003 1 0 — terminates at zero

Continued fraction of √n

√109,985 = [331; (1, 1, 1, 3, 2, 11, 2, 2, 8, 1, 15, 3, 1, 1, 10, 1, 2, 21, 18, 1, 9, 2, 2, 2, …)]

Representations

In words
one hundred nine thousand nine hundred eighty-five
Ordinal
109985th
Binary
11010110110100001
Octal
326641
Hexadecimal
0x1ADA1
Base64
Aa2h
One's complement
4,294,857,310 (32-bit)
Scientific notation
1.09985 × 10⁵
As a duration
109,985 s = 1 day, 6 hours, 33 minutes, 5 seconds
In other bases
ternary (3) 12120212112
quaternary (4) 122312201
quinary (5) 12004420
senary (6) 2205105
septenary (7) 635441
nonary (9) 176775
undecimal (11) 756a7
duodecimal (12) 53795
tridecimal (13) 3b0a5
tetradecimal (14) 2c121
pentadecimal (15) 228c5
Palindromic in base 16

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρθϡπεʹ
Mayan (base 20)
𝋭·𝋮·𝋳·𝋥
Chinese
一十萬九千九百八十五
Chinese (financial)
壹拾萬玖仟玖佰捌拾伍
In other modern scripts
Eastern Arabic ١٠٩٩٨٥ Devanagari १०९९८५ Bengali ১০৯৯৮৫ Tamil ௧௦௯௯௮௫ Thai ๑๐๙๙๘๕ Tibetan ༡༠༩༩༨༥ Khmer ១០៩៩៨៥ Lao ໑໐໙໙໘໕ Burmese ၁၀၉၉၈၅

Also seen as

Hex color
#01ADA1
RGB(1, 173, 161)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.173.161.

Address
0.1.173.161
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.173.161

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 109,985 and was likely granted around 1871.

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

Related reading

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.