Live analysis

1,016,991

1,016,991 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.).

1,016,991 (one million sixteen thousand nine hundred ninety-one) is an odd 7-digit number. It is a composite number with 24 divisors, and factors as 3² × 17³ × 23. Written other ways, in hexadecimal, 0xF849F.

Arithmetic Number Deficient Number Evil Number Flippable Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

1,016,979 1,016,980 1,016,981 1,016,982 1,016,983 1,016,984 1,016,985 1,016,986 1,016,987 1,016,988 1,016,989 1,016,990 1,016,991 1,016,992 1,016,993 1,016,994 1,016,995 1,016,996 1,016,997 1,016,998 1,016,999 1,017,000 1,017,001 1,017,002 1,017,003

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 27
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 20 bits
Reversed: 1,996,101
Flips to (rotate 180°): 1,669,101
Recamán's sequence: a(366,749) = 1,016,991
Square (n²): 1,034,270,694,081
Cube (n³): 1,051,843,987,444,130,271
Divisor count: 24
σ(n) — sum of divisors: 1,628,640
φ(n) — Euler's totient: 610,368
Sum of prime factors: 80

Primality

Prime factorization: 3 ² × 17 ³ × 23

Nearest primes: 1,016,971 (−20) · 1,017,007 (+16)

Divisors & multiples

All divisors (24)

1 · 3 · 9 · 17 · 23 · 51 · 69 · 153 · 207 · 289 · 391 · 867 · 1173 · 2601 · 3519 · 4913 · 6647 · 14739 · 19941 · 44217 · 59823 · 112999 · 338997 · 1016991

Aliquot sum (sum of proper divisors): 611,649

Factor pairs (a × b = 1,016,991)

1 × 1016991

3 × 338997

9 × 112999

17 × 59823

23 × 44217

51 × 19941

69 × 14739

153 × 6647

207 × 4913

289 × 3519

391 × 2601

867 × 1173

First multiples

1,016,991 · 2,033,982 (double) · 3,050,973 · 4,067,964 · 5,084,955 · 6,101,946 · 7,118,937 · 8,135,928 · 9,152,919 · 10,169,910

Sums & aliquot sequence

As consecutive integers: 508,495 + 508,496 338,996 + 338,997 + 338,998 169,496 + 169,497 + 169,498 + 169,499 + 169,500 + 169,501 112,995 + 112,996 + … + 113,003

Aliquot sequence: 1,016,991 → 611,649 → 271,857 → 90,623 → 6,985 → 2,231 → 121 → 12 → 16 → 15 → 9 → 4 → 3 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,016,991 = [1008; (2, 5, 1, 2, 2, 2, 23, 24, 1, 6, 52, 1, 13, 1, 23, 2, 1, 2, 1, 1, 1, 2, 1, 6, …)]

Representations

In words: one million sixteen thousand nine hundred ninety-one
Ordinal: 1016991st
Binary: 11111000010010011111
Octal: 3702237
Hexadecimal: 0xF849F
Base64: D4Sf
One's complement: 4,293,950,304 (32-bit)
Scientific notation: 1.016991 × 10⁶
As a duration: 1,016,991 s = 11 days, 18 hours, 29 minutes, 51 seconds

In other bases

ternary (3) 1220200001100

quaternary (4) 3320102133

quinary (5) 230020431

senary (6) 33444143

septenary (7) 11433663

nonary (9) 1820040

undecimal (11) 635098

duodecimal (12) 410653

tridecimal (13) 297b91

tetradecimal (14) 1c68a3

pentadecimal (15) 1514e6

As an angle

1,016,991° = 2,824 × 360° + 351°

351° ≈ 6.126 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese: 一百零一萬六千九百九十一
Chinese (financial): 壹佰零壹萬陸仟玖佰玖拾壹

In other modern scripts

Eastern Arabic ١٠١٦٩٩١ Devanagari १०१६९९१ Bengali ১০১৬৯৯১ Tamil ௧௦௧௬௯௯௧ Thai ๑๐๑๖๙๙๑ Tibetan ༡༠༡༦༩༩༡ Khmer ១០១៦៩៩១ Lao ໑໐໑໖໙໙໑ Burmese ၁၀၁၆၉၉၁

Also seen as

Hex color

#0F849F

RGB(15, 132, 159)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.132.159.

Address: 0.15.132.159
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.132.159

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 1, 6991 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

6991-10-01 (MMDYYYY (US, single-digit day))
6991-01-10 (DDMYYYY (Euro, single-digit month))

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 1,016,991 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 US1,016,991 on Google Patents ↗ Look up on USPTO ↗

Position in π

The digit sequence 1016991 first appears in π at position 259,017 of the decimal expansion (the 259,017ordinal-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 1016991 on Pi Search ↗