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1,050,021

1,050,021 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.).

1,050,021 (one million fifty thousand twenty-one) is an odd 7-digit number. It is a composite number with 18 divisors, and factors as 3² × 7² × 2,381. Written other ways, in hexadecimal, 0x1005A5.

Arithmetic Number Cube-Free Deficient Number Happy Number Harshad / Niven Odious Number Pernicious Number

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
21 bits
Reversed
1,200,501
Square (n²)
1,102,544,100,441
Cube (n³)
1,157,694,458,889,159,261
Divisor count
18
σ(n) — sum of divisors
1,765,062
φ(n) — Euler's totient
599,760
Sum of prime factors
2,401

Primality

Prime factorization: 3 2 × 7 2 × 2381

Nearest primes: 1,050,013 (−8) · 1,050,031 (+10)

Divisors & multiples

All divisors (18)
1 · 3 · 7 · 9 · 21 · 49 · 63 · 147 · 441 · 2381 · 7143 · 16667 · 21429 · 50001 · 116669 · 150003 · 350007 · 1050021
Aliquot sum (sum of proper divisors): 715,041
Factor pairs (a × b = 1,050,021)
1 × 1050021
3 × 350007
7 × 150003
9 × 116669
21 × 50001
49 × 21429
63 × 16667
147 × 7143
441 × 2381
First multiples
1,050,021 · 2,100,042 (double) · 3,150,063 · 4,200,084 · 5,250,105 · 6,300,126 · 7,350,147 · 8,400,168 · 9,450,189 · 10,500,210

Sums & aliquot sequence

As a sum of two squares: 714² + 735²
As consecutive integers: 525,010 + 525,011 350,006 + 350,007 + 350,008 175,001 + 175,002 + 175,003 + 175,004 + 175,005 + 175,006 150,000 + 150,001 + … + 150,006
Aliquot sequence: 1,050,021 715,041 362,079 160,937 25,879 3,705 3,015 2,289 1,231 1 0 — terminates at zero

Continued fraction of √n

√1,050,021 = [1024; (1, 2, 2, 1, 1, 5, 1, 1, 1, 1, 11, 2, 1, 1, 1, 3, 1, 46, 1, 7, 8, 4, 5, 1, …)]

Representations

In words
one million fifty thousand twenty-one
Ordinal
1050021st
Binary
100000000010110100101
Octal
4002645
Hexadecimal
0x1005A5
Base64
EAWl
One's complement
4,293,917,274 (32-bit)
Scientific notation
1.050021 × 10⁶
As a duration
1,050,021 s = 12 days, 3 hours, 40 minutes, 21 seconds
In other bases
ternary (3) 1222100100200
quaternary (4) 10000112211
quinary (5) 232100041
senary (6) 34301113
septenary (7) 11632200
nonary (9) 1870320
undecimal (11) 657995
duodecimal (12) 427799
tridecimal (13) 2a9c1b
tetradecimal (14) 1d4937
pentadecimal (15) 15b1b6

As an angle

1,050,021° = 2,916 × 360° + 261°
261° ≈ 4.555 rad
Compass bearing: W (west)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓎆𓎆𓏺
Chinese
一百零五萬零二十一
Chinese (financial)
壹佰零伍萬零貳拾壹
In other modern scripts
Eastern Arabic ١٠٥٠٠٢١ Devanagari १०५००२१ Bengali ১০৫০০২১ Tamil ௧௦௫௦௦௨௧ Thai ๑๐๕๐๐๒๑ Tibetan ༡༠༥༠༠༢༡ Khmer ១០៥០០២១ Lao ໑໐໕໐໐໒໑ Burmese ၁၀၅၀၀၂၁

Also seen as

Hex color
#1005A5
RGB(16, 5, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.5.165.

Address
0.16.5.165
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.5.165

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

Possible date

Could be parsed as a date. Most likely interpretation: Tuesday, January 5, 0021 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 0021-05-01 (DMMYYYY (Euro, single-digit day))
  • 0021-10-05 (MMDYYYY (US, single-digit day))
  • 0021-05-10 (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 1,050,021 and was likely granted around 1912.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading