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1,020,021

1,020,021 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.).

1,020,021 (one million twenty thousand twenty-one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 3 × 340,007. Written other ways, in hexadecimal, 0xF9075.

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

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
6
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
1,200,201
Square (n²)
1,040,442,840,441
Cube (n³)
1,061,273,546,549,469,261
Divisor count
4
σ(n) — sum of divisors
1,360,032
φ(n) — Euler's totient
680,012
Sum of prime factors
340,010

Primality

Prime factorization: 3 × 340007

Nearest primes: 1,020,013 (−8) · 1,020,023 (+2)

Divisors & multiples

All divisors (4)
1 · 3 · 340007 · 1020021
Aliquot sum (sum of proper divisors): 340,011
Factor pairs (a × b = 1,020,021)
1 × 1020021
3 × 340007
First multiples
1,020,021 · 2,040,042 (double) · 3,060,063 · 4,080,084 · 5,100,105 · 6,120,126 · 7,140,147 · 8,160,168 · 9,180,189 · 10,200,210

Sums & aliquot sequence

As consecutive integers: 510,010 + 510,011 340,006 + 340,007 + 340,008 170,001 + 170,002 + 170,003 + 170,004 + 170,005 + 170,006
Aliquot sequence: 1,020,021 340,011 248,229 110,337 36,783 18,025 7,767 3,465 4,023 1,977 663 345 231 153 81 40 50 — unresolved within range

Continued fraction of √n

√1,020,021 = [1009; (1, 24, 1, 1, 3, 8, 1, 1, 2, 1, 6, 5, 1, 1, 1, 3, 3, 23, 2, 5, 1, 1, 57, 5, …)]

Representations

In words
one million twenty thousand twenty-one
Ordinal
1020021st
Binary
11111001000001110101
Octal
3710165
Hexadecimal
0xF9075
Base64
D5B1
One's complement
4,293,947,274 (32-bit)
Scientific notation
1.020021 × 10⁶
As a duration
1,020,021 s = 11 days, 19 hours, 20 minutes, 21 seconds
In other bases
ternary (3) 1220211012120
quaternary (4) 3321001311
quinary (5) 230120041
senary (6) 33510153
septenary (7) 11445552
nonary (9) 1824176
undecimal (11) 6373a2
duodecimal (12) 412359
tridecimal (13) 299382
tetradecimal (14) 1c7a29
pentadecimal (15) 152366

As an angle

1,020,021° = 2,833 × 360° + 141°
141° ≈ 2.461 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓎆𓎆𓏺
Chinese
一百零二萬零二十一
Chinese (financial)
壹佰零貳萬零貳拾壹
In other modern scripts
Eastern Arabic ١٠٢٠٠٢١ Devanagari १०२००२१ Bengali ১০২০০২১ Tamil ௧௦௨௦௦௨௧ Thai ๑๐๒๐๐๒๑ Tibetan ༡༠༢༠༠༢༡ Khmer ១០២០០២១ Lao ໑໐໒໐໐໒໑ Burmese ၁၀၂၀၀၂၁

Also seen as

Hex color
#0F9075
RGB(15, 144, 117)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.144.117.

Address
0.15.144.117
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.144.117

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 2, 0021 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 0021-02-01 (DMMYYYY (Euro, single-digit day))
  • 0021-10-02 (MMDYYYY (US, single-digit day))
  • 0021-02-10 (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 1,020,021 and was likely granted around 1911.

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

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