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1,020,421

1,020,421 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.).

1,020,421 (one million twenty thousand four hundred twenty-one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 103 × 9,907. Written other ways, in hexadecimal, 0xF9205.

Arithmetic Number Cube-Free Deficient Number Odious Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
10
Digit product
0
Digital root
1
Palindrome
No
Bit width
20 bits
Reversed
1,240,201
Square (n²)
1,041,259,017,241
Cube (n³)
1,062,522,567,632,078,461
Divisor count
4
σ(n) — sum of divisors
1,030,432
φ(n) — Euler's totient
1,010,412
Sum of prime factors
10,010

Primality

Prime factorization: 103 × 9907

Nearest primes: 1,020,419 (−2) · 1,020,431 (+10)

Divisors & multiples

All divisors (4)
1 · 103 · 9907 · 1020421
Aliquot sum (sum of proper divisors): 10,011
Factor pairs (a × b = 1,020,421)
1 × 1020421
103 × 9907
First multiples
1,020,421 · 2,040,842 (double) · 3,061,263 · 4,081,684 · 5,102,105 · 6,122,526 · 7,142,947 · 8,163,368 · 9,183,789 · 10,204,210

Sums & aliquot sequence

As consecutive integers: 510,210 + 510,211 9,856 + 9,857 + … + 9,958 4,851 + 4,852 + … + 5,056
Aliquot sequence: 1,020,421 10,011 3,813 1,563 525 467 1 0 — terminates at zero

Continued fraction of √n

√1,020,421 = [1010; (6, 3, 2, 2, 3, 1, 51, 33, 1, 1, 1, 7, 3, 1, 5, 1, 6, 2, 7, 3, 3, 1, 1, 16, …)]

Representations

In words
one million twenty thousand four hundred twenty-one
Ordinal
1020421st
Binary
11111001001000000101
Octal
3711005
Hexadecimal
0xF9205
Base64
D5IF
One's complement
4,293,946,874 (32-bit)
Scientific notation
1.020421 × 10⁶
As a duration
1,020,421 s = 11 days, 19 hours, 27 minutes, 1 second
In other bases
ternary (3) 1220211202101
quaternary (4) 3321020011
quinary (5) 230123141
senary (6) 33512101
septenary (7) 11446663
nonary (9) 1824671
undecimal (11) 637726
duodecimal (12) 412631
tridecimal (13) 2995cc
tetradecimal (14) 1c7c33
pentadecimal (15) 152531

As an angle

1,020,421° = 2,834 × 360° + 181°
181° ≈ 3.159 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零二萬零四百二十一
Chinese (financial)
壹佰零貳萬零肆佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٢٠٤٢١ Devanagari १०२०४२१ Bengali ১০২০৪২১ Tamil ௧௦௨௦௪௨௧ Thai ๑๐๒๐๔๒๑ Tibetan ༡༠༢༠༤༢༡ Khmer ១០២០៤២១ Lao ໑໐໒໐໔໒໑ Burmese ၁၀၂၀၄၂၁

Also seen as

Hex color
#0F9205
RGB(15, 146, 5)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.146.5.

Address
0.15.146.5
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.146.5

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 2, 0421 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 0421-02-01 (DMMYYYY (Euro, single-digit day))
  • 0421-10-02 (MMDYYYY (US, single-digit day))
  • 0421-02-10 (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 1,020,421 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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