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8,049

8,049 is a composite number, odd.

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.).

8,049 (eight thousand forty-nine) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 3 × 2,683. Written other ways, in hexadecimal, 0x1F71.

Arithmetic Number Cube-Free Deficient Number Odious Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
4
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
13 bits
Reversed
9,408
Recamán's sequence
a(25,498) = 8,049
Square (n²)
64,786,401
Cube (n³)
521,465,741,649
Divisor count
4
σ(n) — sum of divisors
10,736
φ(n) — Euler's totient
5,364
Sum of prime factors
2,686

Primality

Prime factorization: 3 × 2683

Nearest primes: 8,039 (−10) · 8,053 (+4)

Divisors & multiples

All divisors (4)
1 · 3 · 2683 · 8049
Aliquot sum (sum of proper divisors): 2,687
Factor pairs (a × b = 8,049)
1 × 8049
3 × 2683
First multiples
8,049 · 16,098 (double) · 24,147 · 32,196 · 40,245 · 48,294 · 56,343 · 64,392 · 72,441 · 80,490

Sums & aliquot sequence

As consecutive integers: 4,024 + 4,025 2,682 + 2,683 + 2,684 1,339 + 1,340 + 1,341 + 1,342 + 1,343 + 1,344
Aliquot sequence: 8,049 2,687 1 0 — terminates at zero

Continued fraction of √n

√8,049 = [89; (1, 2, 1, 1, 9, 1, 58, 1, 9, 1, 1, 2, 1, 178)]

Period length 14 — the block in parentheses repeats forever.

Representations

In words
eight thousand forty-nine
Ordinal
8049th
Binary
1111101110001
Octal
17561
Hexadecimal
0x1F71
Base64
H3E=
One's complement
57,486 (16-bit)
Scientific notation
8.049 × 10³
As a duration
8,049 s = 2 hours, 14 minutes, 9 seconds
In other bases
ternary (3) 102001010
quaternary (4) 1331301
quinary (5) 224144
senary (6) 101133
septenary (7) 32316
nonary (9) 12033
undecimal (11) 6058
duodecimal (12) 47a9
tridecimal (13) 3882
tetradecimal (14) 2d0d
pentadecimal (15) 25b9

As an angle

8,049° = 22 × 360° + 129°
129° ≈ 2.251 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ημθʹ
Mayan (base 20)
𝋡·𝋠·𝋢·𝋩
Chinese
八千零四十九
Chinese (financial)
捌仟零肆拾玖
In other modern scripts
Eastern Arabic ٨٠٤٩ Devanagari ८०४९ Bengali ৮০৪৯ Tamil ௮௦௪௯ Thai ๘๐๔๙ Tibetan ༨༠༤༩ Khmer ៨០៤៩ Lao ໘໐໔໙ Burmese ၈၀၄၉

Digit at this position in famous constants

π — Pi (π)
Digit 8,049 = 0
e — Euler's number (e)
Digit 8,049 = 2
φ — Golden ratio (φ)
Digit 8,049 = 0
√2 — Pythagoras's (√2)
Digit 8,049 = 5
ln 2 — Natural log of 2
Digit 8,049 = 7
γ — Euler-Mascheroni (γ)
Digit 8,049 = 0

Also seen as

Unicode codepoint
Greek Small Letter Alpha With Oxia
U+1F71
Lowercase letter (Ll)

UTF-8 encoding: E1 BD B1 (3 bytes).

Hex color
#001F71
RGB(0, 31, 113)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.31.113.

Address
0.0.31.113
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.31.113

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

Musical pitch

Heard as a frequency, 8,049 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): B8 (7902.1 Hz, +32¢)
  • Scientific pitch (C4 = 256 Hz): C9 (8192 Hz, -30¢)
  • Baroque pitch (A4 = 415 Hz): C9 (7896.3 Hz, +33¢)
Position in π

The digit sequence 8049 first appears in π at position 774 of the decimal expansion (the 774ordinal-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.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.