Live analysis

1,000,821

1,000,821 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.).

1,000,821 (one million eight hundred twenty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 3 × 449 × 743. Written other ways, in hexadecimal, 0xF4575.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Sphenic Number Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

1,000,809 1,000,810 1,000,811 1,000,812 1,000,813 1,000,814 1,000,815 1,000,816 1,000,817 1,000,818 1,000,819 1,000,820 1,000,821 1,000,822 1,000,823 1,000,824 1,000,825 1,000,826 1,000,827 1,000,828 1,000,829 1,000,830 1,000,831 1,000,832 1,000,833

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 12
Digit product: 0
Digital root: 3
Palindrome: No
Bit width: 20 bits
Reversed: 1,280,001
Square (n²): 1,001,642,674,041
Cube (n³): 1,002,465,022,676,387,661
Divisor count: 8
σ(n) — sum of divisors: 1,339,200
φ(n) — Euler's totient: 664,832
Sum of prime factors: 1,195

Primality

Prime factorization: 3 × 449 × 743

Nearest primes: 1,000,793 (−28) · 1,000,829 (+8)

Divisors & multiples

All divisors (8)

1 · 3 · 449 · 743 · 1347 · 2229 · 333607 · 1000821

Aliquot sum (sum of proper divisors): 338,379

Factor pairs (a × b = 1,000,821)

1 × 1000821

3 × 333607

449 × 2229

743 × 1347

First multiples

1,000,821 · 2,001,642 (double) · 3,002,463 · 4,003,284 · 5,004,105 · 6,004,926 · 7,005,747 · 8,006,568 · 9,007,389 · 10,008,210

Sums & aliquot sequence

As consecutive integers: 500,410 + 500,411 333,606 + 333,607 + 333,608 166,801 + 166,802 + 166,803 + 166,804 + 166,805 + 166,806 2,005 + 2,006 + … + 2,453

Aliquot sequence: 1,000,821 → 338,379 → 116,421 → 40,443 → 22,053 → 7,355 → 1,477 → 219 → 77 → 19 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,000,821 = [1000; (2, 2, 3, 2, 3, 1, 2, 4, 1, 1, 7, 2, 2, 1, 1, 1, 1, 1, 9, 1, 5, 1, 11, 1, …)]

Representations

In words: one million eight hundred twenty-one
Ordinal: 1000821st
Binary: 11110100010101110101
Octal: 3642565
Hexadecimal: 0xF4575
Base64: D0V1
One's complement: 4,293,966,474 (32-bit)
Scientific notation: 1.000821 × 10⁶
As a duration: 1,000,821 s = 11 days, 14 hours, 21 seconds

In other bases

ternary (3) 1212211212110

quaternary (4) 3310111311

quinary (5) 224011241

senary (6) 33241233

septenary (7) 11335563

nonary (9) 1784773

undecimal (11) 623a28

duodecimal (12) 403219

tridecimal (13) 290703

tetradecimal (14) 1c0a33

pentadecimal (15) 14b816

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 · 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓁨𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese: 一百萬零八百二十一
Chinese (financial): 壹佰萬零捌佰貳拾壹

In other modern scripts

Eastern Arabic ١٠٠٠٨٢١ Devanagari १०००८२१ Bengali ১০০০৮২১ Tamil ௧௦௦௦௮௨௧ Thai ๑๐๐๐๘๒๑ Tibetan ༡༠༠༠༨༢༡ Khmer ១០០០៨២១ Lao ໑໐໐໐໘໒໑ Burmese ၁၀၀၀၈၂၁

Also seen as

Hex color

#0F4575

RGB(15, 69, 117)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.69.117.

Address: 0.15.69.117
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.69.117

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 1,000,821 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 US1,000,821 on Google Patents ↗ Look up on USPTO ↗