Live analysis

561,001

561,001 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.).

561,001 (five hundred sixty-one thousand one) is an odd 6-digit number. It is a composite number with 9 divisors, and factors as 7² × 107². It is a perfect square (749²). Written other ways, in hexadecimal, 0x88F69.

Cube-Free Deficient Number Evil Number Perfect Square Powerful Number

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

560,989 560,990 560,991 560,992 560,993 560,994 560,995 560,996 560,997 560,998 560,999 561,000 561,001 561,002 561,003 561,004 561,005 561,006 561,007 561,008 561,009 561,010 561,011 561,012 561,013

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Properties

Parity: Odd
Digit count: 6
Digit sum: 13
Digit product: 0
Digital root: 4
Palindrome: No
Bit width: 20 bits
Reversed: 100,165
Square (n²): 314,722,122,001
Cube (n³): 176,559,425,164,683,001
Square root (√n): 749
Divisor count: 9
σ(n) — sum of divisors: 658,749
φ(n) — Euler's totient: 476,364
Sum of prime factors: 228

Primality

Prime factorization: 7 ² × 107 ²

Nearest primes: 560,977 (−24) · 561,019 (+18)

Divisors & multiples

All divisors (9)

1 · 7 · 49 · 107 · 749 · 5243 · 11449 · 80143 · 561001

Aliquot sum (sum of proper divisors): 97,748

Factor pairs (a × b = 561,001)

1 × 561001

7 × 80143

49 × 11449

107 × 5243

749 × 749

First multiples

561,001 · 1,122,002 (double) · 1,683,003 · 2,244,004 · 2,805,005 · 3,366,006 · 3,927,007 · 4,488,008 · 5,049,009 · 5,610,010

Sums & aliquot sequence

As a sum of two squares: 0² + 749²

As consecutive integers: 280,500 + 280,501 80,140 + 80,141 + … + 80,146 40,065 + 40,066 + … + 40,078 11,425 + 11,426 + … + 11,473

Aliquot sequence: 561,001 → 97,748 → 97,804 → 101,696 → 129,952 → 136,160 → 208,576 → 205,444 → 154,090 → 138,230 → 121,834 → 60,920 → 76,240 → 101,204 → 75,910 → 60,746 → 43,414 — unresolved within range

Representations

In words: five hundred sixty-one thousand one
Ordinal: 561001st
Binary: 10001000111101101001
Octal: 2107551
Hexadecimal: 0x88F69
Base64: CI9p
One's complement: 4,294,406,294 (32-bit)
Scientific notation: 5.61001 × 10⁵
As a duration: 561,001 s = 6 days, 11 hours, 50 minutes, 1 second

In other bases

ternary (3) 1001111112211

quaternary (4) 2020331221

quinary (5) 120423001

senary (6) 20005121

septenary (7) 4524400

nonary (9) 1044484

undecimal (11) 353541

duodecimal (12) 2307a1

tridecimal (13) 16846c

tetradecimal (14) 108637

pentadecimal (15) b1351

As an angle

561,001° = 1,558 × 360° + 121°

121° ≈ 2.112 rad

Compass bearing: ESE (east-southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓏺
Greek (Milesian): ͵φξααʹ
Chinese: 五十六萬一千零一
Chinese (financial): 伍拾陸萬壹仟零壹

In other modern scripts

Eastern Arabic ٥٦١٠٠١ Devanagari ५६१००१ Bengali ৫৬১০০১ Tamil ௫௬௧௦௦௧ Thai ๕๖๑๐๐๑ Tibetan ༥༦༡༠༠༡ Khmer ៥៦១០០១ Lao ໕໖໑໐໐໑ Burmese ၅၆၁၀၀၁

Also seen as

Hex color

#088F69

RGB(8, 143, 105)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.8.143.105.

Address: 0.8.143.105
Class: reserved
IPv4-mapped IPv6: ::ffff:0.8.143.105

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 561,001 and was likely granted around 1895.

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

Look up US561,001 on Google Patents ↗ Look up on USPTO ↗

Position in π

The digit sequence 561001 first appears in π at position 172,888 of the decimal expansion (the 172,888ordinal-suffix:th 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 561001 on Pi Search ↗