Live analysis

990,009

990,009 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.).

990,009 (nine hundred ninety thousand nine) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3³ × 37 × 991. Written other ways, in hexadecimal, 0xF1B39.

Arithmetic Number Deficient Number Evil Number Flippable Harshad / Niven

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

989,997 989,998 989,999 990,000 990,001 990,002 990,003 990,004 990,005 990,006 990,007 990,008 990,009 990,010 990,011 990,012 990,013 990,014 990,015 990,016 990,017 990,018 990,019 990,020 990,021

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 27
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 20 bits
Reversed: 900,099
Flips to (rotate 180°): 600,066
Square (n²): 980,117,820,081
Cube (n³): 970,325,462,940,570,729
Divisor count: 16
σ(n) — sum of divisors: 1,507,840
φ(n) — Euler's totient: 641,520
Sum of prime factors: 1,037

Primality

Prime factorization: 3 ³ × 37 × 991

Nearest primes: 990,001 (−8) · 990,013 (+4)

Divisors & multiples

All divisors (16)

1 · 3 · 9 · 27 · 37 · 111 · 333 · 991 · 999 · 2973 · 8919 · 26757 · 36667 · 110001 · 330003 · 990009

Aliquot sum (sum of proper divisors): 517,831

Factor pairs (a × b = 990,009)

1 × 990009

3 × 330003

9 × 110001

27 × 36667

37 × 26757

111 × 8919

333 × 2973

991 × 999

First multiples

990,009 · 1,980,018 (double) · 2,970,027 · 3,960,036 · 4,950,045 · 5,940,054 · 6,930,063 · 7,920,072 · 8,910,081 · 9,900,090

Sums & aliquot sequence

As consecutive integers: 495,004 + 495,005 330,002 + 330,003 + 330,004 164,999 + 165,000 + 165,001 + 165,002 + 165,003 + 165,004 109,997 + 109,998 + … + 110,005

Aliquot sequence: 990,009 → 517,831 → 1 → 0 — terminates at zero

Continued fraction of √n

√990,009 = [994; (1, 123, 2, 1, 2, 30, 1, 2, 1, 1, 4, 7, 1, 1, 4, 13, 1, 1, 73, 5, 2, 2, 4, 5, …)]

Representations

In words: nine hundred ninety thousand nine
Ordinal: 990009th
Binary: 11110001101100111001
Octal: 3615471
Hexadecimal: 0xF1B39
Base64: Dxs5
One's complement: 4,293,977,286 (32-bit)
Scientific notation: 9.90009 × 10⁵
As a duration: 990,009 s = 11 days, 11 hours, 9 seconds

In other bases

ternary (3) 1212022001000

quaternary (4) 3301230321

quinary (5) 223140014

senary (6) 33115213

septenary (7) 11262216

nonary (9) 1768030

undecimal (11) 616899

duodecimal (12) 3b8b09

tridecimal (13) 288807

tetradecimal (14) 1bab0d

pentadecimal (15) 148509

As an angle

990,009° = 2,750 × 360° + 9°

9° ≈ 0.157 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 · 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ϡϟθʹ
Chinese: 九十九萬零九
Chinese (financial): 玖拾玖萬零玖

In other modern scripts

Eastern Arabic ٩٩٠٠٠٩ Devanagari ९९०००९ Bengali ৯৯০০০৯ Tamil ௯௯௦௦௦௯ Thai ๙๙๐๐๐๙ Tibetan ༩༩༠༠༠༩ Khmer ៩៩០០០៩ Lao ໙໙໐໐໐໙ Burmese ၉၉၀၀၀၉

Also seen as

Hex color

#0F1B39

RGB(15, 27, 57)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.57.

Address: 0.15.27.57
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.27.57

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 990,009 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Look up US990,009 on Google Patents ↗ Look up on USPTO ↗