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100,000

100,000 is a composite number, even.

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.).
Abundant Number Happy Number Harshad / Niven Power of Ten Powerful Number

Properties

Parity
Even
Digit count
6
Digit sum
1
Digital root
1
Palindrome
No
Divisor count
36
σ(n) — sum of divisors
246,078

Primality

Prime factorization: 2 5 × 5 5

Divisors & multiples

All divisors (36)
1 · 2 · 4 · 5 · 8 · 10 · 16 · 20 · 25 · 32 · 40 · 50 · 80 · 100 · 125 · 160 · 200 · 250 · 400 · 500 · 625 · 800 · 1000 · 1250 · 2000 · 2500 · 3125 · 4000 · 5000 · 6250 · 10000 · 12500 · 20000 · 25000 · 50000 · 100000
Aliquot sum (sum of proper divisors): 146,078
Factor pairs (a × b = 100,000)
1 × 100000
2 × 50000
4 × 25000
5 × 20000
8 × 12500
10 × 10000
16 × 6250
20 × 5000
25 × 4000
32 × 3125
40 × 2500
50 × 2000
80 × 1250
100 × 1000
125 × 800
160 × 625
200 × 500
250 × 400
First multiples
100,000 · 200,000 · 300,000 · 400,000 · 500,000 · 600,000 · 700,000 · 800,000 · 900,000 · 1,000,000

Representations

In words
one hundred thousand
Ordinal
100000th
Binary
11000011010100000
Octal
303240
Hexadecimal
186A0

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 100000, here are decompositions:

  • 11 + 99989 = 100000
  • 29 + 99971 = 100000
  • 71 + 99929 = 100000
  • 167 + 99833 = 100000
  • 191 + 99809 = 100000
  • 233 + 99767 = 100000
  • 239 + 99761 = 100000
  • 281 + 99719 = 100000

Showing the first eight; more decompositions exist.

Unicode codepoint
𘚠
U+186A0
Other letter (Lo)

UTF-8 encoding: F0 98 9A A0 (4 bytes).

Lookup U+186A0 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#0186A0
RGB(1, 134, 160)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.134.160.

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 100,000 and was likely granted around 1870.

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

Look up US100,000 on Google Patents ↗ Look up on USPTO ↗