Live analysis

1,001,661

1,001,661 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.).

1,001,661 (one million one thousand six hundred sixty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 3 × 19 × 17,573. Written other ways, in hexadecimal, 0xF48BD.

Arithmetic Number Cube-Free Deficient Number Evil Number Flippable Self Number Sphenic Number Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

1,001,649 1,001,650 1,001,651 1,001,652 1,001,653 1,001,654 1,001,655 1,001,656 1,001,657 1,001,658 1,001,659 1,001,660 1,001,661 1,001,662 1,001,663 1,001,664 1,001,665 1,001,666 1,001,667 1,001,668 1,001,669 1,001,670 1,001,671 1,001,672 1,001,673

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 15
Digit product: 0
Digital root: 6
Palindrome: No
Bit width: 20 bits
Reversed: 1,661,001
Flips to (rotate 180°): 1,991,001
Square (n²): 1,003,324,758,921
Cube (n³): 1,004,991,281,345,567,781
Divisor count: 8
σ(n) — sum of divisors: 1,405,920
φ(n) — Euler's totient: 632,592
Sum of prime factors: 17,595

Primality

Prime factorization: 3 × 19 × 17573

Nearest primes: 1,001,659 (−2) · 1,001,669 (+8)

Divisors & multiples

All divisors (8)

1 · 3 · 19 · 57 · 17573 · 52719 · 333887 · 1001661

Aliquot sum (sum of proper divisors): 404,259

Factor pairs (a × b = 1,001,661)

1 × 1001661

3 × 333887

19 × 52719

57 × 17573

First multiples

1,001,661 · 2,003,322 (double) · 3,004,983 · 4,006,644 · 5,008,305 · 6,009,966 · 7,011,627 · 8,013,288 · 9,014,949 · 10,016,610

Sums & aliquot sequence

As consecutive integers: 500,830 + 500,831 333,886 + 333,887 + 333,888 166,941 + 166,942 + 166,943 + 166,944 + 166,945 + 166,946 52,710 + 52,711 + … + 52,728

Aliquot sequence: 1,001,661 → 404,259 → 134,757 → 111,003 → 38,565 → 28,359 → 14,697 → 7,767 → 3,465 → 4,023 → 1,977 → 663 → 345 → 231 → 153 → 81 → 40 — unresolved within range

Continued fraction of √n

√1,001,661 = [1000; (1, 4, 1, 7, 1, 9, 1, 4, 2, 8, 1, 1, 1, 4, 2, 1, 1, 2, 1, 1, 2, 8, 17, 7, …)]

Representations

In words: one million one thousand six hundred sixty-one
Ordinal: 1001661st
Binary: 11110100100010111101
Octal: 3644275
Hexadecimal: 0xF48BD
Base64: D0i9
One's complement: 4,293,965,634 (32-bit)
Scientific notation: 1.001661 × 10⁶
As a duration: 1,001,661 s = 11 days, 14 hours, 14 minutes, 21 seconds

In other bases

ternary (3) 1212220000120

quaternary (4) 3310202331

quinary (5) 224023121

senary (6) 33245153

septenary (7) 11341203

nonary (9) 1786016

undecimal (11) 624621

duodecimal (12) 4037b9

tridecimal (13) 290bcb

tetradecimal (14) 1c1073

pentadecimal (15) 14bbc6

As an angle

1,001,661° = 2,782 × 360° + 141°

141° ≈ 2.461 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓁨𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese: 一百萬一千六百六十一
Chinese (financial): 壹佰萬壹仟陸佰陸拾壹

In other modern scripts

Eastern Arabic ١٠٠١٦٦١ Devanagari १००१६६१ Bengali ১০০১৬৬১ Tamil ௧௦௦௧௬௬௧ Thai ๑๐๐๑๖๖๑ Tibetan ༡༠༠༡༦༦༡ Khmer ១០០១៦៦១ Lao ໑໐໐໑໖໖໑ Burmese ၁၀၀၁၆၆၁

Also seen as

Hex color

#0F48BD

RGB(15, 72, 189)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.72.189.

Address: 0.15.72.189
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.72.189

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 1,001,661 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 US1,001,661 on Google Patents ↗ Look up on USPTO ↗