number.wiki
Live analysis

1,000,666

1,000,666 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.).

1,000,666 (one million six hundred sixty-six) is an even 7-digit number. It is a composite number with 4 divisors, and factors as 2 × 500,333. Written other ways, in hexadecimal, 0xF44DA.

Cube-Free Deficient Number Flippable Happy Number Odious Number Pernicious Number Semiprime Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
20 bits
Reversed
6,660,001
Flips to (rotate 180°)
9,990,001
Square (n²)
1,001,332,443,556
Cube (n³)
1,001,999,330,963,408,296
Divisor count
4
σ(n) — sum of divisors
1,501,002
φ(n) — Euler's totient
500,332
Sum of prime factors
500,335

Primality

Prime factorization: 2 × 500333

Nearest primes: 1,000,651 (−15) · 1,000,667 (+1)

Divisors & multiples

All divisors (4)
1 · 2 · 500333 (half) · 1000666
Aliquot sum (sum of proper divisors): 500,336
Factor pairs (a × b = 1,000,666)
1 × 1000666
2 × 500333
First multiples
1,000,666 · 2,001,332 (double) · 3,001,998 · 4,002,664 · 5,003,330 · 6,003,996 · 7,004,662 · 8,005,328 · 9,005,994 · 10,006,660

Sums & aliquot sequence

As a sum of two squares: 685² + 729²
As consecutive integers: 250,165 + 250,166 + 250,167 + 250,168
Aliquot sequence: 1,000,666 500,336 469,096 417,944 375,856 418,364 331,924 248,950 251,018 125,512 118,388 101,104 99,776 98,344 96,056 84,064 88,304 — unresolved within range

Continued fraction of √n

√1,000,666 = [1000; (3, 285, 2, 9, 1, 39, 1, 12, 2, 1, 3, 5, 1, 1, 3, 1, 1, 1, 1, 1, 1, 7, 1, 13, …)]

Representations

In words
one million six hundred sixty-six
Ordinal
1000666th
Binary
11110100010011011010
Octal
3642332
Hexadecimal
0xF44DA
Base64
D0Ta
One's complement
4,293,966,629 (32-bit)
Scientific notation
1.000666 × 10⁶
As a duration
1,000,666 s = 11 days, 13 hours, 57 minutes, 46 seconds
In other bases
ternary (3) 1212211122201
quaternary (4) 3310103122
quinary (5) 224010131
senary (6) 33240414
septenary (7) 11335252
nonary (9) 1784581
undecimal (11) 6238a7
duodecimal (12) 40310a
tridecimal (13) 290614
tetradecimal (14) 1c0962
pentadecimal (15) 14b761

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬零六百六十六
Chinese (financial)
壹佰萬零陸佰陸拾陸
In other modern scripts
Eastern Arabic ١٠٠٠٦٦٦ Devanagari १०००६६६ Bengali ১০০০৬৬৬ Tamil ௧௦௦௦௬௬௬ Thai ๑๐๐๐๖๖๖ Tibetan ༡༠༠༠༦༦༦ Khmer ១០០០៦៦៦ Lao ໑໐໐໐໖໖໖ Burmese ၁၀၀၀၆၆၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1000666, here are decompositions:

  • 47 + 1000619 = 1000666
  • 89 + 1000577 = 1000666
  • 239 + 1000427 = 1000666
  • 257 + 1000409 = 1000666
  • 263 + 1000403 = 1000666
  • 269 + 1000397 = 1000666
  • 353 + 1000313 = 1000666
  • 467 + 1000199 = 1000666

Showing the first eight; more decompositions exist.

Hex color
#0F44DA
RGB(15, 68, 218)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.68.218.

Address
0.15.68.218
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.68.218

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 1,000,666 and was likely granted around 1911.

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

Related reading

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