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1,022,421

1,022,421 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.).

1,022,421 (one million twenty-two thousand four hundred twenty-one) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 3 × 37 × 61 × 151. Written other ways, in hexadecimal, 0xF99D5.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
1,242,201
Recamán's sequence
a(371,485) = 1,022,421
Square (n²)
1,045,344,701,241
Cube (n³)
1,068,782,374,787,524,461
Divisor count
16
σ(n) — sum of divisors
1,432,448
φ(n) — Euler's totient
648,000
Sum of prime factors
252

Primality

Prime factorization: 3 × 37 × 61 × 151

Nearest primes: 1,022,389 (−32) · 1,022,429 (+8)

Divisors & multiples

All divisors (16)
1 · 3 · 37 · 61 · 111 · 151 · 183 · 453 · 2257 · 5587 · 6771 · 9211 · 16761 · 27633 · 340807 · 1022421
Aliquot sum (sum of proper divisors): 410,027
Factor pairs (a × b = 1,022,421)
1 × 1022421
3 × 340807
37 × 27633
61 × 16761
111 × 9211
151 × 6771
183 × 5587
453 × 2257
First multiples
1,022,421 · 2,044,842 (double) · 3,067,263 · 4,089,684 · 5,112,105 · 6,134,526 · 7,156,947 · 8,179,368 · 9,201,789 · 10,224,210

Sums & aliquot sequence

As consecutive integers: 511,210 + 511,211 340,806 + 340,807 + 340,808 170,401 + 170,402 + 170,403 + 170,404 + 170,405 + 170,406 27,615 + 27,616 + … + 27,651
Aliquot sequence: 1,022,421 410,027 1,309 419 1 0 — terminates at zero

Continued fraction of √n

√1,022,421 = [1011; (6, 1, 2, 1, 5, 1, 4, 1, 2, 1, 1, 3, 2, 2, 6, 2, 30, 1, 1, 1, 5, 2, 2, 1, …)]

Representations

In words
one million twenty-two thousand four hundred twenty-one
Ordinal
1022421st
Binary
11111001100111010101
Octal
3714725
Hexadecimal
0xF99D5
Base64
D5nV
One's complement
4,293,944,874 (32-bit)
Scientific notation
1.022421 × 10⁶
As a duration
1,022,421 s = 11 days, 20 hours, 21 seconds
In other bases
ternary (3) 1220221111110
quaternary (4) 3321213111
quinary (5) 230204141
senary (6) 33525233
septenary (7) 11455551
nonary (9) 1827443
undecimal (11) 639184
duodecimal (12) 413819
tridecimal (13) 29a4aa
tetradecimal (14) 1c8861
pentadecimal (15) 152e16

As an angle

1,022,421° = 2,840 × 360° + 21°
21° ≈ 0.367 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 · 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零二萬二千四百二十一
Chinese (financial)
壹佰零貳萬貳仟肆佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٢٢٤٢١ Devanagari १०२२४२१ Bengali ১০২২৪২১ Tamil ௧௦௨௨௪௨௧ Thai ๑๐๒๒๔๒๑ Tibetan ༡༠༢༢༤༢༡ Khmer ១០២២៤២១ Lao ໑໐໒໒໔໒໑ Burmese ၁၀၂၂၄၂၁

Also seen as

Hex color
#0F99D5
RGB(15, 153, 213)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.153.213.

Address
0.15.153.213
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.153.213

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 2, 2421 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2421-02-01 (DMMYYYY (Euro, single-digit day))
  • 2421-10-02 (MMDYYYY (US, single-digit day))
  • 2421-02-10 (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 1,022,421 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