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80,742

80,742 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 Arithmetic Number Evil Number Happy Number Recamán's Sequence Semiperfect Number Sphenic Number Squarefree

Properties

Parity
Even
Digit count
5
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
17 bits
Reversed
24,708
Recamán's sequence
a(118,623) = 80,742
Square (n²)
6,519,270,564
Cube (n³)
526,378,943,878,488
Divisor count
8
σ(n) — sum of divisors
161,496
φ(n) — Euler's totient
26,912
Sum of prime factors
13,462

Primality

Prime factorization: 2 × 3 × 13457

Nearest primes: 80,737 (−5) · 80,747 (+5)

Divisors & multiples

All divisors (8)
1 · 2 · 3 · 6 · 13457 · 26914 · 40371 (half) · 80742
Aliquot sum (sum of proper divisors): 80,754
Factor pairs (a × b = 80,742)
1 × 80742
2 × 40371
3 × 26914
6 × 13457
First multiples
80,742 · 161,484 (double) · 242,226 · 322,968 · 403,710 · 484,452 · 565,194 · 645,936 · 726,678 · 807,420

Sums & aliquot sequence

As consecutive integers: 26,913 + 26,914 + 26,915 20,184 + 20,185 + 20,186 + 20,187 6,723 + 6,724 + … + 6,734
Aliquot sequence: 80,742 80,754 85,038 85,050 185,766 238,938 307,302 307,314 482,574 482,586 606,054 606,066 621,678 621,690 1,057,926 1,057,938 1,360,302 — unresolved within range

Representations

In words
eighty thousand seven hundred forty-two
Ordinal
80742nd
Binary
10011101101100110
Octal
235546
Hexadecimal
0x13B66
Base64
ATtm
One's complement
4,294,886,553 (32-bit)
In other bases
ternary (3) 11002202110
quaternary (4) 103231212
quinary (5) 10040432
senary (6) 1421450
septenary (7) 454254
nonary (9) 132673
undecimal (11) 55732
duodecimal (12) 3a886
tridecimal (13) 2a99c
tetradecimal (14) 215d4
pentadecimal (15) 18dcc

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵πψμβʹ
Mayan (base 20)
𝋪·𝋡·𝋱·𝋢
Chinese
八萬零七百四十二
Chinese (financial)
捌萬零柒佰肆拾貳
In other modern scripts
Eastern Arabic ٨٠٧٤٢ Devanagari ८०७४२ Bengali ৮০৭৪২ Tamil ௮௦௭௪௨ Thai ๘๐๗๔๒ Tibetan ༨༠༧༤༢ Khmer ៨០៧៤២ Lao ໘໐໗໔໒ Burmese ၈၀၇၄၂

Digit at this position in famous constants

π — Pi (π)
Digit 80,742 = 2
e — Euler's number (e)
Digit 80,742 = 9
φ — Golden ratio (φ)
Digit 80,742 = 8
√2 — Pythagoras's (√2)
Digit 80,742 = 1
ln 2 — Natural log of 2
Digit 80,742 = 1
γ — Euler-Mascheroni (γ)
Digit 80,742 = 9

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 80742, here are decompositions:

  • 5 + 80737 = 80742
  • 29 + 80713 = 80742
  • 41 + 80701 = 80742
  • 59 + 80683 = 80742
  • 61 + 80681 = 80742
  • 71 + 80671 = 80742
  • 73 + 80669 = 80742
  • 113 + 80629 = 80742

Showing the first eight; more decompositions exist.

Unicode codepoint
𓭦
Egyptian Hieroglyph-13B66
U+13B66
Other letter (Lo)

UTF-8 encoding: F0 93 AD A6 (4 bytes).

Hex color
#013B66
RGB(1, 59, 102)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.59.102.

Address
0.1.59.102
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.59.102

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

Position in π

The digit sequence 80742 first appears in π at position 1,555 of the decimal expansion (the 1,555ordinal-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.