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Number

20,323

20,323 is a prime, odd.

20,323 (twenty thousand three hundred twenty-three) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x4F63.

Arithmetic Number Cousin Prime Cube-Free Deficient Number Odious Number Prime Recamán's Sequence Squarefree

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
10
Digit product
0
Digital root
1
Palindrome
No
Bit width
15 bits
Reversed
32,302
Recamán's sequence
a(86,570) = 20,323
Square (n²)
413,024,329
Cube (n³)
8,393,893,438,267
Divisor count
2
σ(n) — sum of divisors
20,324
φ(n) — Euler's totient
20,322

Primality

20,323 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 20323
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 20,323)
1 × 20323
First multiples
20,323 · 40,646 (double) · 60,969 · 81,292 · 101,615 · 121,938 · 142,261 · 162,584 · 182,907 · 203,230

Sums & aliquot sequence

As consecutive integers: 10,161 + 10,162

Continued fraction of √n

√20,323 = [142; (1, 1, 3, 1, 3, 13, 3, 4, 1, 21, 8, 2, 1, 16, 10, 1, 9, 1, 1, 1, 6, 7, 1, 1, …)]

Period length 54 — the block in parentheses repeats forever.

Representations

In words
twenty thousand three hundred twenty-three
Ordinal
20323rd
Binary
100111101100011
Octal
47543
Hexadecimal
0x4F63
Base64
T2M=
One's complement
45,212 (16-bit)
Scientific notation
2.0323 × 10⁴
As a duration
20,323 s = 5 hours, 38 minutes, 43 seconds
In other bases
ternary (3) 1000212201
quaternary (4) 10331203
quinary (5) 1122243
senary (6) 234031
septenary (7) 113152
nonary (9) 30781
undecimal (11) 142a6
duodecimal (12) b917
tridecimal (13) 9334
tetradecimal (14) 7599
pentadecimal (15) 604d

As an angle

20,323° = 56 × 360° + 163°
163° ≈ 2.845 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵κτκγʹ
Mayan (base 20)
𝋢·𝋪·𝋰·𝋣
Chinese
二萬零三百二十三
Chinese (financial)
貳萬零參佰貳拾參
In other modern scripts
Eastern Arabic ٢٠٣٢٣ Devanagari २०३२३ Bengali ২০৩২৩ Tamil ௨௦௩௨௩ Thai ๒๐๓๒๓ Tibetan ༢༠༣༢༣ Khmer ២០៣២៣ Lao ໒໐໓໒໓ Burmese ၂၀၃၂၃

Digit at this position in famous constants

π — Pi (π)
Digit 20,323 = 7
e — Euler's number (e)
Digit 20,323 = 9
φ — Golden ratio (φ)
Digit 20,323 = 6
√2 — Pythagoras's (√2)
Digit 20,323 = 5
ln 2 — Natural log of 2
Digit 20,323 = 5
γ — Euler-Mascheroni (γ)
Digit 20,323 = 8

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 20,297 (gap of 26)
  • Next prime: 20,327 (gap of 4)

Pair status: cousin with 20327.

Unicode codepoint
CJK Unified Ideograph-4F63
U+4F63
Other letter (Lo)

UTF-8 encoding: E4 BD A3 (3 bytes).

Hex color
#004F63
RGB(0, 79, 99)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.79.99.

Address
0.0.79.99
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.79.99

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

Position in π

The digit sequence 20323 first appears in π at position 56,222 of the decimal expansion (the 56,222ordinal-suffix:nd 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.

Related reading

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.