number.wiki
Number

20,023

20,023 is a prime, odd.

Arithmetic Number Deficient Number Odious Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
7
Digit product
0
Digital root
7
Palindrome
No
Bit width
15 bits
Reversed
32,002
Square (n²)
400,920,529
Cube (n³)
8,027,631,752,167
Divisor count
2
σ(n) — sum of divisors
20,024
φ(n) — Euler's totient
20,022

Primality

20,023 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 20023
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 20,023)
1 × 20023
First multiples
20,023 · 40,046 (double) · 60,069 · 80,092 · 100,115 · 120,138 · 140,161 · 160,184 · 180,207 · 200,230

Sums & aliquot sequence

As consecutive integers: 10,011 + 10,012

Representations

In words
twenty thousand twenty-three
Ordinal
20023rd
Binary
100111000110111
Octal
47067
Hexadecimal
0x4E37
Base64
Tjc=
One's complement
45,512 (16-bit)
In other bases
ternary (3) 1000110121
quaternary (4) 10320313
quinary (5) 1120043
senary (6) 232411
septenary (7) 112243
nonary (9) 30417
undecimal (11) 14053
duodecimal (12) b707
tridecimal (13) 9163
tetradecimal (14) 7423
pentadecimal (15) 5ded

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵κκγʹ
Mayan (base 20)
𝋢·𝋪·𝋡·𝋣
Chinese
二萬零二十三
Chinese (financial)
貳萬零貳拾參
In other modern scripts
Eastern Arabic ٢٠٠٢٣ Devanagari २००२३ Bengali ২০০২৩ Tamil ௨௦௦௨௩ Thai ๒๐๐๒๓ Tibetan ༢༠༠༢༣ Khmer ២០០២៣ Lao ໒໐໐໒໓ Burmese ၂၀၀၂၃

Digit at this position in famous constants

π — Pi (π)
Digit 20,023 = 4
e — Euler's number (e)
Digit 20,023 = 9
φ — Golden ratio (φ)
Digit 20,023 = 3
√2 — Pythagoras's (√2)
Digit 20,023 = 8
ln 2 — Natural log of 2
Digit 20,023 = 5
γ — Euler-Mascheroni (γ)
Digit 20,023 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 20,021 (gap of 2)
  • Next prime: 20,029 (gap of 6)

Pair status: twin with 20021, sexy with 20029.

Unicode codepoint
CJK Unified Ideograph-4E37
U+4E37
Other letter (Lo)

UTF-8 encoding: E4 B8 B7 (3 bytes).

Hex color
#004E37
RGB(0, 78, 55)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.55.

Address
0.0.78.55
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.78.55

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

Position in π

The digit sequence 20023 first appears in π at position 101,970 of the decimal expansion (the 101,970ordinal-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.