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23,320

23,320 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
10
Digit product
0
Digital root
1
Palindrome
No
Bit width
15 bits
Reversed
2,332
Recamán's sequence
a(6,591) = 23,320
Square (n²)
543,822,400
Cube (n³)
12,681,938,368,000
Divisor count
32
σ(n) — sum of divisors
58,320
φ(n) — Euler's totient
8,320
Sum of prime factors
75

Primality

Prime factorization: 2 3 × 5 × 11 × 53

Nearest primes: 23,311 (−9) · 23,321 (+1)

Divisors & multiples

All divisors (32)
1 · 2 · 4 · 5 · 8 · 10 · 11 · 20 · 22 · 40 · 44 · 53 · 55 · 88 · 106 · 110 · 212 · 220 · 265 · 424 · 440 · 530 · 583 · 1060 · 1166 · 2120 · 2332 · 2915 · 4664 · 5830 · 11660 (half) · 23320
Aliquot sum (sum of proper divisors): 35,000
Factor pairs (a × b = 23,320)
1 × 23320
2 × 11660
4 × 5830
5 × 4664
8 × 2915
10 × 2332
11 × 2120
20 × 1166
22 × 1060
40 × 583
44 × 530
53 × 440
55 × 424
88 × 265
106 × 220
110 × 212
First multiples
23,320 · 46,640 (double) · 69,960 · 93,280 · 116,600 · 139,920 · 163,240 · 186,560 · 209,880 · 233,200

Sums & aliquot sequence

As consecutive integers: 4,662 + 4,663 + 4,664 + 4,665 + 4,666 2,115 + 2,116 + … + 2,125 1,450 + 1,451 + … + 1,465 414 + 415 + … + 466
Aliquot sequence: 23,320 35,000 58,720 80,384 81,250 82,802 47,998 25,010 21,862 12,914 8,254 4,130 4,510 4,562 2,284 1,720 2,240 — unresolved within range

Representations

In words
twenty-three thousand three hundred twenty
Ordinal
23320th
Binary
101101100011000
Octal
55430
Hexadecimal
0x5B18
Base64
Wxg=
One's complement
42,215 (16-bit)
In other bases
ternary (3) 1011222201
quaternary (4) 11230120
quinary (5) 1221240
senary (6) 255544
septenary (7) 124663
nonary (9) 34881
undecimal (11) 16580
duodecimal (12) 115b4
tridecimal (13) a7cb
tetradecimal (14) 86da
pentadecimal (15) 6d9a

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆
Greek (Milesian)
͵κγτκʹ
Mayan (base 20)
𝋢·𝋲·𝋦·𝋠
Chinese
二萬三千三百二十
Chinese (financial)
貳萬參仟參佰貳拾
In other modern scripts
Eastern Arabic ٢٣٣٢٠ Devanagari २३३२० Bengali ২৩৩২০ Tamil ௨௩௩௨௦ Thai ๒๓๓๒๐ Tibetan ༢༣༣༢༠ Khmer ២៣៣២០ Lao ໒໓໓໒໐ Burmese ၂၃၃၂၀

Digit at this position in famous constants

π — Pi (π)
Digit 23,320 = 8
e — Euler's number (e)
Digit 23,320 = 8
φ — Golden ratio (φ)
Digit 23,320 = 2
√2 — Pythagoras's (√2)
Digit 23,320 = 4
ln 2 — Natural log of 2
Digit 23,320 = 9
γ — Euler-Mascheroni (γ)
Digit 23,320 = 8

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 23320, here are decompositions:

  • 23 + 23297 = 23320
  • 29 + 23291 = 23320
  • 41 + 23279 = 23320
  • 131 + 23189 = 23320
  • 233 + 23087 = 23320
  • 239 + 23081 = 23320
  • 257 + 23063 = 23320
  • 263 + 23057 = 23320

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-5B18
U+5B18
Other letter (Lo)

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

Hex color
#005B18
RGB(0, 91, 24)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.91.24.

Address
0.0.91.24
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.91.24

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

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000023320
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.

Position in π

The digit sequence 23320 first appears in π at position 7,134 of the decimal expansion (the 7,134ordinal-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.