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Number

42,023

42,023 is a prime, odd.

Arithmetic Number Cousin Prime Deficient Number Odious Number Pernicious Number Prime Recamán's Sequence Safe Prime Sexy Prime Sophie Germain Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
11
Digit product
0
Digital root
2
Palindrome
No
Bit width
16 bits
Reversed
32,024
Recamán's sequence
a(151,577) = 42,023
Square (n²)
1,765,932,529
Cube (n³)
74,209,782,666,167
Divisor count
2
σ(n) — sum of divisors
42,024
φ(n) — Euler's totient
42,022

Primality

42,023 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42023
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,023)
1 × 42023
First multiples
42,023 · 84,046 (double) · 126,069 · 168,092 · 210,115 · 252,138 · 294,161 · 336,184 · 378,207 · 420,230

Sums & aliquot sequence

As consecutive integers: 21,011 + 21,012

Representations

In words
forty-two thousand twenty-three
Ordinal
42023rd
Binary
1010010000100111
Octal
122047
Hexadecimal
0xA427
Base64
pCc=
One's complement
23,512 (16-bit)
In other bases
ternary (3) 2010122102
quaternary (4) 22100213
quinary (5) 2321043
senary (6) 522315
septenary (7) 233342
nonary (9) 63572
undecimal (11) 29633
duodecimal (12) 2039b
tridecimal (13) 16187
tetradecimal (14) 11459
pentadecimal (15) c6b8

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵μβκγʹ
Mayan (base 20)
𝋥·𝋥·𝋡·𝋣
Chinese
四萬二千零二十三
Chinese (financial)
肆萬貳仟零貳拾參
In other modern scripts
Eastern Arabic ٤٢٠٢٣ Devanagari ४२०२३ Bengali ৪২০২৩ Tamil ௪௨௦௨௩ Thai ๔๒๐๒๓ Tibetan ༤༢༠༢༣ Khmer ៤២០២៣ Lao ໔໒໐໒໓ Burmese ၄၂၀၂၃

Digit at this position in famous constants

π — Pi (π)
Digit 42,023 = 7
e — Euler's number (e)
Digit 42,023 = 1
φ — Golden ratio (φ)
Digit 42,023 = 7
√2 — Pythagoras's (√2)
Digit 42,023 = 0
ln 2 — Natural log of 2
Digit 42,023 = 9
γ — Euler-Mascheroni (γ)
Digit 42,023 = 9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,019 (gap of 4)
  • Next prime: 42,043 (gap of 20)

Pair status: cousin with 42019.

Unicode codepoint
Yi Syllable Jjut
U+A427
Other letter (Lo)

UTF-8 encoding: EA 90 A7 (3 bytes).

Hex color
#00A427
RGB(0, 164, 39)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.39.

Address
0.0.164.39
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.39

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

Position in π

The digit sequence 42023 first appears in π at position 166,957 of the decimal expansion (the 166,957ordinal-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.