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26,442

26,442 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 Evil Number Harshad / Niven Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
18
Digit product
384
Digital root
9
Palindrome
No
Bit width
15 bits
Reversed
24,462
Recamán's sequence
a(35,863) = 26,442
Square (n²)
699,179,364
Cube (n³)
18,487,700,742,888
Divisor count
24
σ(n) — sum of divisors
62,244
φ(n) — Euler's totient
8,064
Sum of prime factors
134

Primality

Prime factorization: 2 × 3 2 × 13 × 113

Nearest primes: 26,437 (−5) · 26,449 (+7)

Divisors & multiples

All divisors (24)
1 · 2 · 3 · 6 · 9 · 13 · 18 · 26 · 39 · 78 · 113 · 117 · 226 · 234 · 339 · 678 · 1017 · 1469 · 2034 · 2938 · 4407 · 8814 · 13221 (half) · 26442
Aliquot sum (sum of proper divisors): 35,802
Factor pairs (a × b = 26,442)
1 × 26442
2 × 13221
3 × 8814
6 × 4407
9 × 2938
13 × 2034
18 × 1469
26 × 1017
39 × 678
78 × 339
113 × 234
117 × 226
First multiples
26,442 · 52,884 (double) · 79,326 · 105,768 · 132,210 · 158,652 · 185,094 · 211,536 · 237,978 · 264,420

Sums & aliquot sequence

As a sum of two squares: 81² + 141² = 99² + 129²
As consecutive integers: 8,813 + 8,814 + 8,815 6,609 + 6,610 + 6,611 + 6,612 2,934 + 2,935 + … + 2,942 2,198 + 2,199 + … + 2,209
Aliquot sequence: 26,442 35,802 55,674 68,166 100,938 100,950 149,778 182,970 322,470 516,186 760,614 850,314 850,326 940,074 940,086 1,470,234 1,470,246 — unresolved within range

Representations

In words
twenty-six thousand four hundred forty-two
Ordinal
26442nd
Binary
110011101001010
Octal
63512
Hexadecimal
0x674A
Base64
Z0o=
One's complement
39,093 (16-bit)
In other bases
ternary (3) 1100021100
quaternary (4) 12131022
quinary (5) 1321232
senary (6) 322230
septenary (7) 140043
nonary (9) 40240
undecimal (11) 18959
duodecimal (12) 13376
tridecimal (13) c060
tetradecimal (14) 98ca
pentadecimal (15) 7c7c

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵κϛυμβʹ
Mayan (base 20)
𝋣·𝋦·𝋢·𝋢
Chinese
二萬六千四百四十二
Chinese (financial)
貳萬陸仟肆佰肆拾貳
In other modern scripts
Eastern Arabic ٢٦٤٤٢ Devanagari २६४४२ Bengali ২৬৪৪২ Tamil ௨௬௪௪௨ Thai ๒๖๔๔๒ Tibetan ༢༦༤༤༢ Khmer ២៦៤៤២ Lao ໒໖໔໔໒ Burmese ၂၆၄၄၂

Digit at this position in famous constants

π — Pi (π)
Digit 26,442 = 3
e — Euler's number (e)
Digit 26,442 = 5
φ — Golden ratio (φ)
Digit 26,442 = 3
√2 — Pythagoras's (√2)
Digit 26,442 = 2
ln 2 — Natural log of 2
Digit 26,442 = 5
γ — Euler-Mascheroni (γ)
Digit 26,442 = 5

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 26442, here are decompositions:

  • 5 + 26437 = 26442
  • 11 + 26431 = 26442
  • 19 + 26423 = 26442
  • 43 + 26399 = 26442
  • 71 + 26371 = 26442
  • 103 + 26339 = 26442
  • 149 + 26293 = 26442
  • 179 + 26263 = 26442

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-674A
U+674A
Other letter (Lo)

UTF-8 encoding: E6 9D 8A (3 bytes).

Hex color
#00674A
RGB(0, 103, 74)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.103.74.

Address
0.0.103.74
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.103.74

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

Position in π

The digit sequence 26442 first appears in π at position 253,882 of the decimal expansion (the 253,882ordinal-suffix:nd 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.