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42,704

42,704 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.).
Abundant Number Harshad / Niven Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
16 bits
Reversed
40,724
Recamán's sequence
a(73,184) = 42,704
Square (n²)
1,823,631,616
Cube (n³)
77,876,364,529,664
Divisor count
20
σ(n) — sum of divisors
88,164
φ(n) — Euler's totient
19,968
Sum of prime factors
182

Primality

Prime factorization: 2 4 × 17 × 157

Nearest primes: 42,703 (−1) · 42,709 (+5)

Divisors & multiples

All divisors (20)
1 · 2 · 4 · 8 · 16 · 17 · 34 · 68 · 136 · 157 · 272 · 314 · 628 · 1256 · 2512 · 2669 · 5338 · 10676 · 21352 (half) · 42704
Aliquot sum (sum of proper divisors): 45,460
Factor pairs (a × b = 42,704)
1 × 42704
2 × 21352
4 × 10676
8 × 5338
16 × 2669
17 × 2512
34 × 1256
68 × 628
136 × 314
157 × 272
First multiples
42,704 · 85,408 (double) · 128,112 · 170,816 · 213,520 · 256,224 · 298,928 · 341,632 · 384,336 · 427,040

Sums & aliquot sequence

As a sum of two squares: 52² + 200² = 140² + 152²
As consecutive integers: 2,504 + 2,505 + … + 2,520 1,319 + 1,320 + … + 1,350 194 + 195 + … + 350
Aliquot sequence: 42,704 45,460 50,048 60,112 73,126 36,566 19,594 10,394 5,200 8,254 4,130 4,510 4,562 2,284 1,720 2,240 3,856 — unresolved within range

Representations

In words
forty-two thousand seven hundred four
Ordinal
42704th
Binary
1010011011010000
Octal
123320
Hexadecimal
0xA6D0
Base64
ptA=
One's complement
22,831 (16-bit)
In other bases
ternary (3) 2011120122
quaternary (4) 22123100
quinary (5) 2331304
senary (6) 525412
septenary (7) 235334
nonary (9) 64518
undecimal (11) 2a0a2
duodecimal (12) 20868
tridecimal (13) 1658c
tetradecimal (14) 117c4
pentadecimal (15) c9be

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβψδʹ
Mayan (base 20)
𝋥·𝋦·𝋯·𝋤
Chinese
四萬二千七百零四
Chinese (financial)
肆萬貳仟柒佰零肆
In other modern scripts
Eastern Arabic ٤٢٧٠٤ Devanagari ४२७०४ Bengali ৪২৭০৪ Tamil ௪௨௭௦௪ Thai ๔๒๗๐๔ Tibetan ༤༢༧༠༤ Khmer ៤២៧០៤ Lao ໔໒໗໐໔ Burmese ၄၂၇၀၄

Digit at this position in famous constants

π — Pi (π)
Digit 42,704 = 9
e — Euler's number (e)
Digit 42,704 = 8
φ — Golden ratio (φ)
Digit 42,704 = 8
√2 — Pythagoras's (√2)
Digit 42,704 = 8
ln 2 — Natural log of 2
Digit 42,704 = 0
γ — Euler-Mascheroni (γ)
Digit 42,704 = 0

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42704, here are decompositions:

  • 3 + 42701 = 42704
  • 7 + 42697 = 42704
  • 37 + 42667 = 42704
  • 61 + 42643 = 42704
  • 127 + 42577 = 42704
  • 241 + 42463 = 42704
  • 271 + 42433 = 42704
  • 307 + 42397 = 42704

Showing the first eight; more decompositions exist.

Unicode codepoint
Bamum Letter Reux
U+A6D0
Other letter (Lo)

UTF-8 encoding: EA 9B 90 (3 bytes).

Hex color
#00A6D0
RGB(0, 166, 208)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.208.

Address
0.0.166.208
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.166.208

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

Position in π

The digit sequence 42704 first appears in π at position 2,667 of the decimal expansion (the 2,667ordinal-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.