Live analysis

1,010,821

1,010,821 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.).

1,010,821 (one million ten thousand eight hundred twenty-one) is an odd 7-digit number. It is a composite number with 10 divisors, and factors as 7⁴ × 421. Written other ways, in hexadecimal, 0xF6C85.

Deficient Number Frugal Number Odious Number Pernicious Number Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

2 notable facts · grade F

1,010,809 1,010,810 1,010,811 1,010,812 1,010,813 1,010,814 1,010,815 1,010,816 1,010,817 1,010,818 1,010,819 1,010,820 1,010,821 1,010,822 1,010,823 1,010,824 1,010,825 1,010,826 1,010,827 1,010,828 1,010,829 1,010,830 1,010,831 1,010,832 1,010,833

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 13
Digit product: 0
Digital root: 4
Palindrome: No
Bit width: 20 bits
Reversed: 1,280,101
Recamán's sequence: a(360,493) = 1,010,821
Square (n²): 1,021,759,094,041
Cube (n³): 1,032,815,549,197,617,661
Divisor count: 10
σ(n) — sum of divisors: 1,182,022
φ(n) — Euler's totient: 864,360
Sum of prime factors: 449

Primality

Prime factorization: 7 ⁴ × 421

Nearest primes: 1,010,809 (−12) · 1,010,833 (+12)

Divisors & multiples

All divisors (10)

1 · 7 · 49 · 343 · 421 · 2401 · 2947 · 20629 · 144403 · 1010821

Aliquot sum (sum of proper divisors): 171,201

Factor pairs (a × b = 1,010,821)

1 × 1010821

7 × 144403

49 × 20629

343 × 2947

421 × 2401

First multiples

1,010,821 · 2,021,642 (double) · 3,032,463 · 4,043,284 · 5,054,105 · 6,064,926 · 7,075,747 · 8,086,568 · 9,097,389 · 10,108,210

Sums & aliquot sequence

As a sum of two squares: 686² + 735²

As consecutive integers: 505,410 + 505,411 144,400 + 144,401 + … + 144,406 72,195 + 72,196 + … + 72,208 20,605 + 20,606 + … + 20,653

Aliquot sequence: 1,010,821 → 171,201 → 59,199 → 31,041 → 13,809 → 4,607 → 289 → 18 → 21 → 11 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,010,821 = [1005; (2, 1, 1, 9, 3, 1, 8, 2, 1, 1, 1, 1, 5, 3, 6, 2, 1, 1, 2, 1, 2, 1, 2, 3, …)]

Representations

In words: one million ten thousand eight hundred twenty-one
Ordinal: 1010821st
Binary: 11110110110010000101
Octal: 3666205
Hexadecimal: 0xF6C85
Base64: D2yF
One's complement: 4,293,956,474 (32-bit)
Scientific notation: 1.010821 × 10⁶
As a duration: 1,010,821 s = 11 days, 16 hours, 47 minutes, 1 second

In other bases

ternary (3) 1220100120211

quaternary (4) 3312302011

quinary (5) 224321241

senary (6) 33355421

septenary (7) 11410000

nonary (9) 1810524

undecimal (11) 630499

duodecimal (12) 408b71

tridecimal (13) 295126

tetradecimal (14) 1c4537

pentadecimal (15) 14e781

As an angle

1,010,821° = 2,807 × 360° + 301°

301° ≈ 5.253 rad

Compass bearing: WNW (west-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓁨𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese: 一百零一萬零八百二十一
Chinese (financial): 壹佰零壹萬零捌佰貳拾壹

In other modern scripts

Eastern Arabic ١٠١٠٨٢١ Devanagari १०१०८२१ Bengali ১০১০৮২১ Tamil ௧௦௧௦௮௨௧ Thai ๑๐๑๐๘๒๑ Tibetan ༡༠༡༠༨༢༡ Khmer ១០១០៨២១ Lao ໑໐໑໐໘໒໑ Burmese ၁၀၁၀၈၂၁

Also seen as

Hex color

#0F6C85

RGB(15, 108, 133)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.108.133.

Address: 0.15.108.133
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.108.133

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 0821 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

0821-10-01 (MMDYYYY (US, single-digit day))
0821-01-10 (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 1,010,821 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 US1,010,821 on Google Patents ↗ Look up on USPTO ↗