Live analysis

1,016,821

1,016,821 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.).

1,016,821 (one million sixteen thousand eight hundred twenty-one) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 13 × 17 × 43 × 107. Written other ways, in hexadecimal, 0xF83F5.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Squarefree

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

1,016,809 1,016,810 1,016,811 1,016,812 1,016,813 1,016,814 1,016,815 1,016,816 1,016,817 1,016,818 1,016,819 1,016,820 1,016,821 1,016,822 1,016,823 1,016,824 1,016,825 1,016,826 1,016,827 1,016,828 1,016,829 1,016,830 1,016,831 1,016,832 1,016,833

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 19
Digit product: 0
Digital root: 1
Palindrome: No
Bit width: 20 bits
Reversed: 1,286,101
Square (n²): 1,033,924,946,041
Cube (n³): 1,051,316,597,558,355,661
Divisor count: 16
σ(n) — sum of divisors: 1,197,504
φ(n) — Euler's totient: 854,784
Sum of prime factors: 180

Primality

Prime factorization: 13 × 17 × 43 × 107

Nearest primes: 1,016,789 (−32) · 1,016,839 (+18)

Divisors & multiples

All divisors (16)

1 · 13 · 17 · 43 · 107 · 221 · 559 · 731 · 1391 · 1819 · 4601 · 9503 · 23647 · 59813 · 78217 · 1016821

Aliquot sum (sum of proper divisors): 180,683

Factor pairs (a × b = 1,016,821)

1 × 1016821

13 × 78217

17 × 59813

43 × 23647

107 × 9503

221 × 4601

559 × 1819

731 × 1391

First multiples

1,016,821 · 2,033,642 (double) · 3,050,463 · 4,067,284 · 5,084,105 · 6,100,926 · 7,117,747 · 8,134,568 · 9,151,389 · 10,168,210

Sums & aliquot sequence

As consecutive integers: 508,410 + 508,411 78,211 + 78,212 + … + 78,223 59,805 + 59,806 + … + 59,821 39,096 + 39,097 + … + 39,121

Aliquot sequence: 1,016,821 → 180,683 → 925 → 253 → 35 → 13 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,016,821 = [1008; (2, 1, 1, 1, 36, 23, 6, 1, 1, 55, 2, 13, 1, 10, 11, 5, 1, 2, 2, 1, 1, 3, 1, 5, …)]

Representations

In words: one million sixteen thousand eight hundred twenty-one
Ordinal: 1016821st
Binary: 11111000001111110101
Octal: 3701765
Hexadecimal: 0xF83F5
Base64: D4P1
One's complement: 4,293,950,474 (32-bit)
Scientific notation: 1.016821 × 10⁶
As a duration: 1,016,821 s = 11 days, 18 hours, 27 minutes, 1 second

In other bases

ternary (3) 1220122211001

quaternary (4) 3320033311

quinary (5) 230014241

senary (6) 33443301

septenary (7) 11433331

nonary (9) 1818731

undecimal (11) 634a53

duodecimal (12) 410531

tridecimal (13) 297a90

tetradecimal (14) 1c67c1

pentadecimal (15) 151431

As an angle

1,016,821° = 2,824 × 360° + 181°

181° ≈ 3.159 rad

Compass bearing: S (south)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese: 一百零一萬六千八百二十一
Chinese (financial): 壹佰零壹萬陸仟捌佰貳拾壹

In other modern scripts

Eastern Arabic ١٠١٦٨٢١ Devanagari १०१६८२१ Bengali ১০১৬৮২১ Tamil ௧௦௧௬௮௨௧ Thai ๑๐๑๖๘๒๑ Tibetan ༡༠༡༦༨༢༡ Khmer ១០១៦៨២១ Lao ໑໐໑໖໘໒໑ Burmese ၁၀၁၆၈၂၁

Also seen as

Hex color

#0F83F5

RGB(15, 131, 245)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.131.245.

Address: 0.15.131.245
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.131.245

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 6821 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

6821-10-01 (MMDYYYY (US, single-digit day))
6821-01-10 (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 1,016,821 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 US1,016,821 on Google Patents ↗ Look up on USPTO ↗