Live analysis

7,009

7,009 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.).

7,009 (seven thousand nine) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 43 × 163. Written other ways, in hexadecimal, 0x1B61.

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

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

6,997 6,998 6,999 7,000 7,001 7,002 7,003 7,004 7,005 7,006 7,007 7,008 7,009 7,010 7,011 7,012 7,013 7,014 7,015 7,016 7,017 7,018 7,019 7,020 7,021

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 16
Digit product: 0
Digital root: 7
Palindrome: No
Bit width: 13 bits
Reversed: 9,007
Recamán's sequence: a(176,993) = 7,009
Square (n²): 49,126,081
Cube (n³): 344,324,701,729
Divisor count: 4
σ(n) — sum of divisors: 7,216
φ(n) — Euler's totient: 6,804
Sum of prime factors: 206

Primality

Prime factorization: 43 × 163

Nearest primes: 7,001 (−8) · 7,013 (+4)

Divisors & multiples

All divisors (4)

1 · 43 · 163 · 7009

Aliquot sum (sum of proper divisors): 207

Factor pairs (a × b = 7,009)

1 × 7009

43 × 163

First multiples

7,009 · 14,018 (double) · 21,027 · 28,036 · 35,045 · 42,054 · 49,063 · 56,072 · 63,081 · 70,090

Sums & aliquot sequence

As consecutive integers: 3,504 + 3,505 142 + 143 + … + 184 39 + 40 + … + 124

Aliquot sequence: 7,009 → 207 → 105 → 87 → 33 → 15 → 9 → 4 → 3 → 1 → 0 — terminates at zero

Continued fraction of √n

√7,009 = [83; (1, 2, 1, 1, 3, 6, 1, 2, 3, 2, 1, 2, 4, 6, 2, 7, 1, 1, 23, 2, 1, 1, 2, 1, …)]

Representations

In words: seven thousand nine
Ordinal: 7009th
Binary: 1101101100001
Octal: 15541
Hexadecimal: 0x1B61
Base64: G2E=
One's complement: 58,526 (16-bit)
Scientific notation: 7.009 × 10³
As a duration: 7,009 s = 1 hour, 56 minutes, 49 seconds

In other bases

ternary (3) 100121121

quaternary (4) 1231201

quinary (5) 211014

senary (6) 52241

septenary (7) 26302

nonary (9) 10547

undecimal (11) 52a2

duodecimal (12) 4081

tridecimal (13) 3262

tetradecimal (14) 27a9

pentadecimal (15) 2124

As an angle

7,009° = 19 × 360° + 169°

169° ≈ 2.95 rad

Compass bearing: S (south)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ζθʹ
Mayan (base 20): 𝋱·𝋪·𝋩
Chinese: 七千零九
Chinese (financial): 柒仟零玖

In other modern scripts

Eastern Arabic ٧٠٠٩ Devanagari ७००९ Bengali ৭০০৯ Tamil ௭௦௦௯ Thai ๗๐๐๙ Tibetan ༧༠༠༩ Khmer ៧០០៩ Lao ໗໐໐໙ Burmese ၇၀၀၉

Digit at this position in famous constants

π — Pi (π): Digit 7,009 = 4
e — Euler's number (e): Digit 7,009 = 1
φ — Golden ratio (φ): Digit 7,009 = 6
√2 — Pythagoras's (√2): Digit 7,009 = 4
ln 2 — Natural log of 2: Digit 7,009 = 3
γ — Euler-Mascheroni (γ): Digit 7,009 = 4

Also seen as

Unicode codepoint

᭡

Balinese Musical Symbol Dong

U+1B61

Other symbol (So)

UTF-8 encoding: E1 AD A1 (3 bytes).

Lookup U+1B61 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#001B61

RGB(0, 27, 97)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.27.97.

Address: 0.0.27.97
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.27.97

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

Musical pitch

Heard as a frequency, 7,009 Hz is closest to:

Concert pitch (A4 = 440 Hz): A8 (7040 Hz, -8¢)
Scientific pitch (C4 = 256 Hz): A8 (6888.6 Hz, +30¢)
Baroque pitch (A4 = 415 Hz): A♯8 (7034.8 Hz, -6¢)

Position in π

The digit sequence 7009 first appears in π at position 7,505 of the decimal expansion (the 7,505ordinal-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.

Look up 7009 on Pi Search ↗