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9,040

9,040 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

Properties

Parity
Even
Digit count
4
Digit sum
13
Digital root
4
Palindrome
No
Divisor count
20
σ(n) — sum of divisors
21,204

Primality

Prime factorization: 2 4 × 5 × 113

Divisors & multiples

All divisors (20)
1 · 2 · 4 · 5 · 8 · 10 · 16 · 20 · 40 · 80 · 113 · 226 · 452 · 565 · 904 · 1130 · 1808 · 2260 · 4520 · 9040
Aliquot sum (sum of proper divisors): 12,164
Factor pairs (a × b = 9,040)
1 × 9040
2 × 4520
4 × 2260
5 × 1808
8 × 1130
10 × 904
16 × 565
20 × 452
40 × 226
80 × 113
First multiples
9,040 · 18,080 · 27,120 · 36,160 · 45,200 · 54,240 · 63,280 · 72,320 · 81,360 · 90,400

Representations

In words
nine thousand forty
Ordinal
9040th
Binary
10001101010000
Octal
21520
Hexadecimal
2350

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 9040, here are decompositions:

  • 11 + 9029 = 9040
  • 29 + 9011 = 9040
  • 41 + 8999 = 9040
  • 71 + 8969 = 9040
  • 89 + 8951 = 9040
  • 107 + 8933 = 9040
  • 173 + 8867 = 9040
  • 179 + 8861 = 9040

Showing the first eight; more decompositions exist.

Unicode codepoint
U+2350
Other symbol (So)

UTF-8 encoding: E2 8D 90 (3 bytes).

Hex color
#002350
RGB(0, 35, 80)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.35.80.