Live analysis

1,012,821

1,012,821 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.).

1,012,821 (one million twelve thousand eight hundred twenty-one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 3 × 337,607. Written other ways, in hexadecimal, 0xF7455.

Arithmetic Number Cube-Free Deficient Number Evil Number Self Number Semiprime Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

1,012,809 1,012,810 1,012,811 1,012,812 1,012,813 1,012,814 1,012,815 1,012,816 1,012,817 1,012,818 1,012,819 1,012,820 1,012,821 1,012,822 1,012,823 1,012,824 1,012,825 1,012,826 1,012,827 1,012,828 1,012,829 1,012,830 1,012,831 1,012,832 1,012,833

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 15
Digit product: 0
Digital root: 6
Palindrome: No
Bit width: 20 bits
Reversed: 1,282,101
Square (n²): 1,025,806,378,041
Cube (n³): 1,038,958,241,613,863,661
Divisor count: 4
σ(n) — sum of divisors: 1,350,432
φ(n) — Euler's totient: 675,212
Sum of prime factors: 337,610

Primality

Prime factorization: 3 × 337607

Nearest primes: 1,012,811 (−10) · 1,012,829 (+8)

Divisors & multiples

All divisors (4)

1 · 3 · 337607 · 1012821

Aliquot sum (sum of proper divisors): 337,611

Factor pairs (a × b = 1,012,821)

1 × 1012821

3 × 337607

First multiples

1,012,821 · 2,025,642 (double) · 3,038,463 · 4,051,284 · 5,064,105 · 6,076,926 · 7,089,747 · 8,102,568 · 9,115,389 · 10,128,210

Sums & aliquot sequence

As consecutive integers: 506,410 + 506,411 337,606 + 337,607 + 337,608 168,801 + 168,802 + 168,803 + 168,804 + 168,805 + 168,806

Aliquot sequence: 1,012,821 → 337,611 → 136,309 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,012,821 = [1006; (2, 1, 1, 3, 2, 3, 3, 1, 2, 1, 3, 2, 1, 4, 7, 1, 1, 8, 3, 2, 1, 1, 1, 1, …)]

Representations

In words: one million twelve thousand eight hundred twenty-one
Ordinal: 1012821st
Binary: 11110111010001010101
Octal: 3672125
Hexadecimal: 0xF7455
Base64: D3RV
One's complement: 4,293,954,474 (32-bit)
Scientific notation: 1.012821 × 10⁶
As a duration: 1,012,821 s = 11 days, 17 hours, 20 minutes, 21 seconds

In other bases

ternary (3) 1220110022220

quaternary (4) 3313101111

quinary (5) 224402241

senary (6) 33412553

septenary (7) 11415555

nonary (9) 1813286

undecimal (11) 631a47

duodecimal (12) 40a159

tridecimal (13) 296004

tetradecimal (14) 1c5165

pentadecimal (15) 150166

As an angle

1,012,821° = 2,813 × 360° + 141°

141° ≈ 2.461 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese: 一百零一萬二千八百二十一
Chinese (financial): 壹佰零壹萬貳仟捌佰貳拾壹

In other modern scripts

Eastern Arabic ١٠١٢٨٢١ Devanagari १०१२८२१ Bengali ১০১২৮২১ Tamil ௧௦௧௨௮௨௧ Thai ๑๐๑๒๘๒๑ Tibetan ༡༠༡༢༨༢༡ Khmer ១០១២៨២១ Lao ໑໐໑໒໘໒໑ Burmese ၁၀၁၂၈၂၁

Also seen as

Hex color

#0F7455

RGB(15, 116, 85)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.116.85.

Address: 0.15.116.85
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.116.85

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 2821 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

2821-10-01 (MMDYYYY (US, single-digit day))
2821-01-10 (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 1,012,821 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 US1,012,821 on Google Patents ↗ Look up on USPTO ↗