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42,802

42,802 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.).
Deficient Number Evil Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Even
Digit count
5
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
16 bits
Reversed
20,824
Recamán's sequence
a(72,988) = 42,802
Square (n²)
1,832,011,204
Cube (n³)
78,413,743,553,608
Divisor count
4
σ(n) — sum of divisors
64,206
φ(n) — Euler's totient
21,400
Sum of prime factors
21,403

Primality

Prime factorization: 2 × 21401

Nearest primes: 42,797 (−5) · 42,821 (+19)

Divisors & multiples

All divisors (4)
1 · 2 · 21401 (half) · 42802
Aliquot sum (sum of proper divisors): 21,404
Factor pairs (a × b = 42,802)
1 × 42802
2 × 21401
First multiples
42,802 · 85,604 (double) · 128,406 · 171,208 · 214,010 · 256,812 · 299,614 · 342,416 · 385,218 · 428,020

Sums & aliquot sequence

As a sum of two squares: 49² + 201²
As consecutive integers: 10,699 + 10,700 + 10,701 + 10,702
Aliquot sequence: 42,802 21,404 16,060 21,236 15,934 8,834 6,334 3,170 2,554 1,280 1,786 1,094 550 566 286 218 112 — unresolved within range

Representations

In words
forty-two thousand eight hundred two
Ordinal
42802nd
Binary
1010011100110010
Octal
123462
Hexadecimal
0xA732
Base64
pzI=
One's complement
22,733 (16-bit)
In other bases
ternary (3) 2011201021
quaternary (4) 22130302
quinary (5) 2332202
senary (6) 530054
septenary (7) 235534
nonary (9) 64637
undecimal (11) 2a181
duodecimal (12) 2092a
tridecimal (13) 16636
tetradecimal (14) 11854
pentadecimal (15) ca37

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺
Greek (Milesian)
͵μβωβʹ
Mayan (base 20)
𝋥·𝋧·𝋠·𝋢
Chinese
四萬二千八百零二
Chinese (financial)
肆萬貳仟捌佰零貳
In other modern scripts
Eastern Arabic ٤٢٨٠٢ Devanagari ४२८०२ Bengali ৪২৮০২ Tamil ௪௨௮௦௨ Thai ๔๒๘๐๒ Tibetan ༤༢༨༠༢ Khmer ៤២៨០២ Lao ໔໒໘໐໒ Burmese ၄၂၈၀၂

Digit at this position in famous constants

π — Pi (π)
Digit 42,802 = 1
e — Euler's number (e)
Digit 42,802 = 6
φ — Golden ratio (φ)
Digit 42,802 = 4
√2 — Pythagoras's (√2)
Digit 42,802 = 6
ln 2 — Natural log of 2
Digit 42,802 = 5
γ — Euler-Mascheroni (γ)
Digit 42,802 = 3

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42802, here are decompositions:

  • 5 + 42797 = 42802
  • 29 + 42773 = 42802
  • 59 + 42743 = 42802
  • 83 + 42719 = 42802
  • 101 + 42701 = 42802
  • 113 + 42689 = 42802
  • 191 + 42611 = 42802
  • 233 + 42569 = 42802

Showing the first eight; more decompositions exist.

Unicode codepoint
Latin Capital Letter Aa
U+A732
Uppercase letter (Lu)

UTF-8 encoding: EA 9C B2 (3 bytes).

Hex color
#00A732
RGB(0, 167, 50)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.50.

Address
0.0.167.50
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.167.50

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

Position in π

The digit sequence 42802 first appears in π at position 18,306 of the decimal expansion (the 18,306ordinal-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.