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22,040

22,040 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 Evil Number Gapful Number Harshad / Niven Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
8
Digit product
0
Digital root
8
Palindrome
No
Bit width
15 bits
Reversed
4,022
Recamán's sequence
a(167,683) = 22,040
Square (n²)
485,761,600
Cube (n³)
10,706,185,664,000
Divisor count
32
σ(n) — sum of divisors
54,000
φ(n) — Euler's totient
8,064
Sum of prime factors
59

Primality

Prime factorization: 2 3 × 5 × 19 × 29

Nearest primes: 22,039 (−1) · 22,051 (+11)

Divisors & multiples

All divisors (32)
1 · 2 · 4 · 5 · 8 · 10 · 19 · 20 · 29 · 38 · 40 · 58 · 76 · 95 · 116 · 145 · 152 · 190 · 232 · 290 · 380 · 551 · 580 · 760 · 1102 · 1160 · 2204 · 2755 · 4408 · 5510 · 11020 (half) · 22040
Aliquot sum (sum of proper divisors): 31,960
Factor pairs (a × b = 22,040)
1 × 22040
2 × 11020
4 × 5510
5 × 4408
8 × 2755
10 × 2204
19 × 1160
20 × 1102
29 × 760
38 × 580
40 × 551
58 × 380
76 × 290
95 × 232
116 × 190
145 × 152
First multiples
22,040 · 44,080 (double) · 66,120 · 88,160 · 110,200 · 132,240 · 154,280 · 176,320 · 198,360 · 220,400

Sums & aliquot sequence

As consecutive integers: 4,406 + 4,407 + 4,408 + 4,409 + 4,410 1,370 + 1,371 + … + 1,385 1,151 + 1,152 + … + 1,169 746 + 747 + … + 774
Aliquot sequence: 22,040 31,960 45,800 61,150 52,682 40,630 37,130 31,990 33,962 16,984 17,936 19,264 25,440 56,208 89,120 121,804 97,380 — unresolved within range

Representations

In words
twenty-two thousand forty
Ordinal
22040th
Binary
101011000011000
Octal
53030
Hexadecimal
0x5618
Base64
Vhg=
One's complement
43,495 (16-bit)
In other bases
ternary (3) 1010020022
quaternary (4) 11120120
quinary (5) 1201130
senary (6) 250012
septenary (7) 121154
nonary (9) 33208
undecimal (11) 15617
duodecimal (12) 10908
tridecimal (13) a055
tetradecimal (14) 8064
pentadecimal (15) 67e5

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆
Greek (Milesian)
͵κβμʹ
Mayan (base 20)
𝋢·𝋯·𝋢·𝋠
Chinese
二萬二千零四十
Chinese (financial)
貳萬貳仟零肆拾
In other modern scripts
Eastern Arabic ٢٢٠٤٠ Devanagari २२०४० Bengali ২২০৪০ Tamil ௨௨௦௪௦ Thai ๒๒๐๔๐ Tibetan ༢༢༠༤༠ Khmer ២២០៤០ Lao ໒໒໐໔໐ Burmese ၂၂၀၄၀

Digit at this position in famous constants

π — Pi (π)
Digit 22,040 = 8
e — Euler's number (e)
Digit 22,040 = 0
φ — Golden ratio (φ)
Digit 22,040 = 1
√2 — Pythagoras's (√2)
Digit 22,040 = 3
ln 2 — Natural log of 2
Digit 22,040 = 6
γ — Euler-Mascheroni (γ)
Digit 22,040 = 0

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 22040, here are decompositions:

  • 3 + 22037 = 22040
  • 13 + 22027 = 22040
  • 37 + 22003 = 22040
  • 43 + 21997 = 22040
  • 79 + 21961 = 22040
  • 97 + 21943 = 22040
  • 103 + 21937 = 22040
  • 181 + 21859 = 22040

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-5618
U+5618
Other letter (Lo)

UTF-8 encoding: E5 98 98 (3 bytes).

Hex color
#005618
RGB(0, 86, 24)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.86.24.

Address
0.0.86.24
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.86.24

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

Position in π

The digit sequence 22040 first appears in π at position 82,315 of the decimal expansion (the 82,315ordinal-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.