Live analysis

491,001

491,001 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.).

491,001 (four hundred ninety-one thousand one) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 7 × 103 × 227. Written other ways, in hexadecimal, 0x77DF9.

Arithmetic Number Cube-Free Deficient Number Odious Number Squarefree

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

490,989 490,990 490,991 490,992 490,993 490,994 490,995 490,996 490,997 490,998 490,999 491,000 491,001 491,002 491,003 491,004 491,005 491,006 491,007 491,008 491,009 491,010 491,011 491,012 491,013

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Properties

Parity: Odd
Digit count: 6
Digit sum: 15
Digit product: 0
Digital root: 6
Palindrome: No
Bit width: 19 bits
Reversed: 100,194
Square (n²): 241,081,982,001
Cube (n³): 118,371,494,244,473,001
Divisor count: 16
σ(n) — sum of divisors: 758,784
φ(n) — Euler's totient: 276,624
Sum of prime factors: 340

Primality

Prime factorization: 3 × 7 × 103 × 227

Nearest primes: 490,993 (−8) · 491,003 (+2)

Divisors & multiples

All divisors (16)

1 · 3 · 7 · 21 · 103 · 227 · 309 · 681 · 721 · 1589 · 2163 · 4767 · 23381 · 70143 · 163667 · 491001

Aliquot sum (sum of proper divisors): 267,783

Factor pairs (a × b = 491,001)

1 × 491001

3 × 163667

7 × 70143

21 × 23381

103 × 4767

227 × 2163

309 × 1589

681 × 721

First multiples

491,001 · 982,002 (double) · 1,473,003 · 1,964,004 · 2,455,005 · 2,946,006 · 3,437,007 · 3,928,008 · 4,419,009 · 4,910,010

Sums & aliquot sequence

As consecutive integers: 245,500 + 245,501 163,666 + 163,667 + 163,668 81,831 + 81,832 + 81,833 + 81,834 + 81,835 + 81,836 70,140 + 70,141 + … + 70,146

Aliquot sequence: 491,001 → 267,783 → 89,265 → 66,831 → 22,281 → 11,703 → 4,425 → 3,015 → 2,289 → 1,231 → 1 → 0 — terminates at zero

Continued fraction of √n

√491,001 = [700; (1, 2, 1, 1, 57, 1, 4, 1, 1, 1, 1, 86, 1, 55, 14, 1, 1, 2, 1, 1, 1, 1, 3, 21, …)]

Representations

In words: four hundred ninety-one thousand one
Ordinal: 491001st
Binary: 1110111110111111001
Octal: 1676771
Hexadecimal: 0x77DF9
Base64: B335
One's complement: 4,294,476,294 (32-bit)
Scientific notation: 4.91001 × 10⁵
As a duration: 491,001 s = 5 days, 16 hours, 23 minutes, 21 seconds

In other bases

ternary (3) 220221112020

quaternary (4) 1313313321

quinary (5) 111203001

senary (6) 14305053

septenary (7) 4113330

nonary (9) 827466

undecimal (11) 305995

duodecimal (12) 1b8189

tridecimal (13) 142644

tetradecimal (14) cad17

pentadecimal (15) 9a736

As an angle

491,001° = 1,363 × 360° + 321°

321° ≈ 5.603 rad

Compass bearing: NW (northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓏺
Greek (Milesian): ͵υϟααʹ
Chinese: 四十九萬一千零一
Chinese (financial): 肆拾玖萬壹仟零壹

In other modern scripts

Eastern Arabic ٤٩١٠٠١ Devanagari ४९१००१ Bengali ৪৯১০০১ Tamil ௪௯௧௦௦௧ Thai ๔๙๑๐๐๑ Tibetan ༤༩༡༠༠༡ Khmer ៤៩១០០១ Lao ໔໙໑໐໐໑ Burmese ၄၉၁၀၀၁

Also seen as

Hex color

#077DF9

RGB(7, 125, 249)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.7.125.249.

Address: 0.7.125.249
Class: reserved
IPv4-mapped IPv6: ::ffff:0.7.125.249

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 491,001 and was likely granted around 1892.

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

Look up US491,001 on Google Patents ↗ Look up on USPTO ↗

Position in π

The digit sequence 491001 first appears in π at position 633,032 of the decimal expansion (the 633,032ordinal-suffix:nd 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 491001 on Pi Search ↗