Live analysis

1,005,001

1,005,001 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.).

1,005,001 (one million five thousand one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 47 × 21,383. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0xF55C9.

Arithmetic Number Cube-Free Deficient Number Evil Number Palindrome Semiprime Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

1,004,989 1,004,990 1,004,991 1,004,992 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

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 7
Digit product: 0
Digital root: 7
Palindrome: Yes
Bit width: 20 bits
Square (n²): 1,010,027,010,001
Cube (n³): 1,015,078,155,078,015,001
Divisor count: 4
σ(n) — sum of divisors: 1,026,432
φ(n) — Euler's totient: 983,572
Sum of prime factors: 21,430

Primality

Prime factorization: 47 × 21383

Nearest primes: 1,004,987 (−14) · 1,005,007 (+6)

Divisors & multiples

All divisors (4)

1 · 47 · 21383 · 1005001

Aliquot sum (sum of proper divisors): 21,431

Factor pairs (a × b = 1,005,001)

1 × 1005001

47 × 21383

First multiples

1,005,001 · 2,010,002 (double) · 3,015,003 · 4,020,004 · 5,025,005 · 6,030,006 · 7,035,007 · 8,040,008 · 9,045,009 · 10,050,010

Sums & aliquot sequence

As consecutive integers: 502,500 + 502,501 21,360 + 21,361 + … + 21,406 10,645 + 10,646 + … + 10,738

Aliquot sequence: 1,005,001 → 21,431 → 769 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,005,001 = [1002; (2, 94, 1, 40, 1, 3, 1, 1, 3, 17, 1, 1, 1, 1, 1, 2, 1, 5, 1, 53, 2, 1, 24, 2, …)]

Representations

In words: one million five thousand one
Ordinal: 1005001st
Binary: 11110101010111001001
Octal: 3652711
Hexadecimal: 0xF55C9
Base64: D1XJ
One's complement: 4,293,962,294 (32-bit)
Scientific notation: 1.005001 × 10⁶
As a duration: 1,005,001 s = 11 days, 15 hours, 10 minutes, 1 second

In other bases

ternary (3) 1220001121021

quaternary (4) 3311113021

quinary (5) 224130001

senary (6) 33312441

septenary (7) 11354014

nonary (9) 1801537

undecimal (11) 627088

duodecimal (12) 405721

tridecimal (13) 29259a

tetradecimal (14) 1c237b

pentadecimal (15) 14cba1

As an angle

1,005,001° = 2,791 × 360° + 241°

241° ≈ 4.206 rad

Compass bearing: WSW (west-southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒁹
Egyptian hieroglyphic: 𓁨𓆼𓆼𓆼𓆼𓆼𓏺
Chinese: 一百萬五千零一
Chinese (financial): 壹佰萬伍仟零壹

In other modern scripts

Eastern Arabic ١٠٠٥٠٠١ Devanagari १००५००१ Bengali ১০০৫০০১ Tamil ௧௦௦௫௦௦௧ Thai ๑๐๐๕๐๐๑ Tibetan ༡༠༠༥༠༠༡ Khmer ១០០៥០០១ Lao ໑໐໐໕໐໐໑ Burmese ၁၀၀၅၀၀၁

Also seen as

Hex color

#0F55C9

RGB(15, 85, 201)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.85.201.

Address: 0.15.85.201
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.85.201

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 1,005,001 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 US1,005,001 on Google Patents ↗ Look up on USPTO ↗