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Number

42,043

42,043 is a prime, odd.

Arithmetic Number Deficient Number Evil Number Prime Recamán's Sequence Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
34,024
Recamán's sequence
a(151,537) = 42,043
Square (n²)
1,767,613,849
Cube (n³)
74,315,789,053,507
Divisor count
2
σ(n) — sum of divisors
42,044
φ(n) — Euler's totient
42,042

Primality

42,043 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42043
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,043)
1 × 42043
First multiples
42,043 · 84,086 (double) · 126,129 · 168,172 · 210,215 · 252,258 · 294,301 · 336,344 · 378,387 · 420,430

Sums & aliquot sequence

As consecutive integers: 21,021 + 21,022

Representations

In words
forty-two thousand forty-three
Ordinal
42043rd
Binary
1010010000111011
Octal
122073
Hexadecimal
0xA43B
Base64
pDs=
One's complement
23,492 (16-bit)
In other bases
ternary (3) 2010200011
quaternary (4) 22100323
quinary (5) 2321133
senary (6) 522351
septenary (7) 233401
nonary (9) 63604
undecimal (11) 29651
duodecimal (12) 203b7
tridecimal (13) 161a1
tetradecimal (14) 11471
pentadecimal (15) c6cd

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵μβμγʹ
Mayan (base 20)
𝋥·𝋥·𝋢·𝋣
Chinese
四萬二千零四十三
Chinese (financial)
肆萬貳仟零肆拾參
In other modern scripts
Eastern Arabic ٤٢٠٤٣ Devanagari ४२०४३ Bengali ৪২০৪৩ Tamil ௪௨௦௪௩ Thai ๔๒๐๔๓ Tibetan ༤༢༠༤༣ Khmer ៤២០៤៣ Lao ໔໒໐໔໓ Burmese ၄၂၀၄၃

Digit at this position in famous constants

π — Pi (π)
Digit 42,043 = 5
e — Euler's number (e)
Digit 42,043 = 7
φ — Golden ratio (φ)
Digit 42,043 = 7
√2 — Pythagoras's (√2)
Digit 42,043 = 9
ln 2 — Natural log of 2
Digit 42,043 = 6
γ — Euler-Mascheroni (γ)
Digit 42,043 = 8

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,023 (gap of 20)
  • Next prime: 42,061 (gap of 18)
Unicode codepoint
Yi Syllable Njot
U+A43B
Other letter (Lo)

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

Hex color
#00A43B
RGB(0, 164, 59)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.59.

Address
0.0.164.59
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.59

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

Position in π

The digit sequence 42043 first appears in π at position 39,368 of the decimal expansion (the 39,368ordinal-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.