Live analysis

1,005,005

1,005,005 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.).

1,005,005 (one million five thousand five) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 5 × 19 × 71 × 149. Written other ways, in hexadecimal, 0xF55CD.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Squarefree

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

1,004,993 1,004,994 1,004,995 1,004,996 1,004,997 1,004,998 1,004,999 1,005,000 1,005,001 1,005,002 1,005,003 1,005,004 1,005,005 1,005,006 1,005,007 1,005,008 1,005,009 1,005,010 1,005,011 1,005,012 1,005,013 1,005,014 1,005,015 1,005,016 1,005,017

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 11
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 20 bits
Reversed: 5,005,001
Square (n²): 1,010,035,050,025
Cube (n³): 1,015,090,275,450,375,125
Divisor count: 16
σ(n) — sum of divisors: 1,296,000
φ(n) — Euler's totient: 745,920
Sum of prime factors: 244

Primality

Prime factorization: 5 × 19 × 71 × 149

Nearest primes: 1,004,987 (−18) · 1,005,007 (+2)

Divisors & multiples

All divisors (16)

1 · 5 · 19 · 71 · 95 · 149 · 355 · 745 · 1349 · 2831 · 6745 · 10579 · 14155 · 52895 · 201001 · 1005005

Aliquot sum (sum of proper divisors): 290,995

Factor pairs (a × b = 1,005,005)

1 × 1005005

5 × 201001

19 × 52895

71 × 14155

95 × 10579

149 × 6745

355 × 2831

745 × 1349

First multiples

1,005,005 · 2,010,010 (double) · 3,015,015 · 4,020,020 · 5,025,025 · 6,030,030 · 7,035,035 · 8,040,040 · 9,045,045 · 10,050,050

Sums & aliquot sequence

As consecutive integers: 502,502 + 502,503 200,999 + 201,000 + 201,001 + 201,002 + 201,003 100,496 + 100,497 + … + 100,505 52,886 + 52,887 + … + 52,904

Aliquot sequence: 1,005,005 → 290,995 → 58,205 → 21,667 → 509 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,005,005 = [1002; (2, 400, 2, 2004)]

Period length 4 — the block in parentheses repeats forever.

Representations

In words: one million five thousand five
Ordinal: 1005005th
Binary: 11110101010111001101
Octal: 3652715
Hexadecimal: 0xF55CD
Base64: D1XN
One's complement: 4,293,962,290 (32-bit)
Scientific notation: 1.005005 × 10⁶
As a duration: 1,005,005 s = 11 days, 15 hours, 10 minutes, 5 seconds

In other bases

ternary (3) 1220001121102

quaternary (4) 3311113031

quinary (5) 224130010

senary (6) 33312445

septenary (7) 11354021

nonary (9) 1801542

undecimal (11) 627091

duodecimal (12) 405725

tridecimal (13) 2925a1

tetradecimal (14) 1c2381

pentadecimal (15) 14cba5

As an angle

1,005,005° = 2,791 × 360° + 245°

245° ≈ 4.276 rad

Compass bearing: WSW (west-southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓁨𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺
Chinese: 一百萬五千零五
Chinese (financial): 壹佰萬伍仟零伍

In other modern scripts

Eastern Arabic ١٠٠٥٠٠٥ Devanagari १००५००५ Bengali ১০০৫০০৫ Tamil ௧௦௦௫௦௦௫ Thai ๑๐๐๕๐๐๕ Tibetan ༡༠༠༥༠༠༥ Khmer ១០០៥០០៥ Lao ໑໐໐໕໐໐໕ Burmese ၁၀၀၅၀၀၅

Also seen as

Hex color

#0F55CD

RGB(15, 85, 205)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.85.205.

Address: 0.15.85.205
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.85.205

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 1,005,005 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 US1,005,005 on Google Patents ↗ Look up on USPTO ↗