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22,080

22,080 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 Gapful Number Harshad / Niven Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
15 bits
Reversed
8,022
Recamán's sequence
a(167,603) = 22,080
Square (n²)
487,526,400
Cube (n³)
10,764,582,912,000
Divisor count
56
σ(n) — sum of divisors
73,152
φ(n) — Euler's totient
5,632
Sum of prime factors
43

Primality

Prime factorization: 2 6 × 3 × 5 × 23

Nearest primes: 22,079 (−1) · 22,091 (+11)

Divisors & multiples

All divisors (56)
1 · 2 · 3 · 4 · 5 · 6 · 8 · 10 · 12 · 15 · 16 · 20 · 23 · 24 · 30 · 32 · 40 · 46 · 48 · 60 · 64 · 69 · 80 · 92 · 96 · 115 · 120 · 138 · 160 · 184 · 192 · 230 · 240 · 276 · 320 · 345 · 368 · 460 · 480 · 552 · 690 · 736 · 920 · 960 · 1104 · 1380 · 1472 · 1840 · 2208 · 2760 · 3680 · 4416 · 5520 · 7360 · 11040 (half) · 22080
Aliquot sum (sum of proper divisors): 51,072
Factor pairs (a × b = 22,080)
1 × 22080
2 × 11040
3 × 7360
4 × 5520
5 × 4416
6 × 3680
8 × 2760
10 × 2208
12 × 1840
15 × 1472
16 × 1380
20 × 1104
23 × 960
24 × 920
30 × 736
32 × 690
40 × 552
46 × 480
48 × 460
60 × 368
64 × 345
69 × 320
80 × 276
92 × 240
96 × 230
115 × 192
120 × 184
138 × 160
First multiples
22,080 · 44,160 (double) · 66,240 · 88,320 · 110,400 · 132,480 · 154,560 · 176,640 · 198,720 · 220,800

Sums & aliquot sequence

As consecutive integers: 7,359 + 7,360 + 7,361 4,414 + 4,415 + 4,416 + 4,417 + 4,418 1,465 + 1,466 + … + 1,479 949 + 950 + … + 971
Aliquot sequence: 22,080 51,072 112,128 190,680 465,960 1,063,320 2,127,000 4,518,600 10,346,520 20,953,320 42,231,000 108,427,560 216,855,480 433,711,320 1,053,301,800 2,211,935,640 4,557,720,360 — unresolved within range

Representations

In words
twenty-two thousand eighty
Ordinal
22080th
Binary
101011001000000
Octal
53100
Hexadecimal
0x5640
Base64
VkA=
One's complement
43,455 (16-bit)
In other bases
ternary (3) 1010021210
quaternary (4) 11121000
quinary (5) 1201310
senary (6) 250120
septenary (7) 121242
nonary (9) 33253
undecimal (11) 15653
duodecimal (12) 10940
tridecimal (13) a086
tetradecimal (14) 8092
pentadecimal (15) 6820

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Greek (Milesian)
͵κβπʹ
Mayan (base 20)
𝋢·𝋯·𝋤·𝋠
Chinese
二萬二千零八十
Chinese (financial)
貳萬貳仟零捌拾
In other modern scripts
Eastern Arabic ٢٢٠٨٠ Devanagari २२०८० Bengali ২২০৮০ Tamil ௨௨௦௮௦ Thai ๒๒๐๘๐ Tibetan ༢༢༠༨༠ Khmer ២២០៨០ Lao ໒໒໐໘໐ Burmese ၂၂၀၈၀

Digit at this position in famous constants

π — Pi (π)
Digit 22,080 = 4
e — Euler's number (e)
Digit 22,080 = 6
φ — Golden ratio (φ)
Digit 22,080 = 0
√2 — Pythagoras's (√2)
Digit 22,080 = 3
ln 2 — Natural log of 2
Digit 22,080 = 2
γ — Euler-Mascheroni (γ)
Digit 22,080 = 5

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 22080, here are decompositions:

  • 7 + 22073 = 22080
  • 13 + 22067 = 22080
  • 17 + 22063 = 22080
  • 29 + 22051 = 22080
  • 41 + 22039 = 22080
  • 43 + 22037 = 22080
  • 53 + 22027 = 22080
  • 67 + 22013 = 22080

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-5640
U+5640
Other letter (Lo)

UTF-8 encoding: E5 99 80 (3 bytes).

Hex color
#005640
RGB(0, 86, 64)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.86.64.

Address
0.0.86.64
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.86.64

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 22080 first appears in π at position 165,165 of the decimal expansion (the 165,165ordinal-suffix:th 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.