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1,023,442

1,023,442 is a composite number, even.

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.).

1,023,442 (one million twenty-three thousand four hundred forty-two) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 41 × 1,783. Written other ways, in hexadecimal, 0xF9DD2.

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

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
2,443,201
Square (n²)
1,047,433,527,364
Cube (n³)
1,071,987,464,112,466,888
Divisor count
16
σ(n) — sum of divisors
1,798,272
φ(n) — Euler's totient
427,680
Sum of prime factors
1,833

Primality

Prime factorization: 2 × 7 × 41 × 1783

Nearest primes: 1,023,419 (−23) · 1,023,461 (+19)

Divisors & multiples

All divisors (16)
1 · 2 · 7 · 14 · 41 · 82 · 287 · 574 · 1783 · 3566 · 12481 · 24962 · 73103 · 146206 · 511721 (half) · 1023442
Aliquot sum (sum of proper divisors): 774,830
Factor pairs (a × b = 1,023,442)
1 × 1023442
2 × 511721
7 × 146206
14 × 73103
41 × 24962
82 × 12481
287 × 3566
574 × 1783
First multiples
1,023,442 · 2,046,884 (double) · 3,070,326 · 4,093,768 · 5,117,210 · 6,140,652 · 7,164,094 · 8,187,536 · 9,210,978 · 10,234,420

Sums & aliquot sequence

As consecutive integers: 255,859 + 255,860 + 255,861 + 255,862 146,203 + 146,204 + … + 146,209 36,538 + 36,539 + … + 36,565 24,942 + 24,943 + … + 24,982
Aliquot sequence: 1,023,442 774,830 819,250 781,310 739,330 670,070 569,338 495,686 307,834 157,466 84,358 42,182 33,850 29,204 30,646 26,954 13,480 — unresolved within range

Continued fraction of √n

√1,023,442 = [1011; (1, 1, 1, 7, 1, 1, 9, 1, 1, 6, 1, 1, 9, 1, 1, 7, 1, 1, 1, 2022)]

Period length 20 — the block in parentheses repeats forever.

Representations

In words
one million twenty-three thousand four hundred forty-two
Ordinal
1023442nd
Binary
11111001110111010010
Octal
3716722
Hexadecimal
0xF9DD2
Base64
D53S
One's complement
4,293,943,853 (32-bit)
Scientific notation
1.023442 × 10⁶
As a duration
1,023,442 s = 11 days, 20 hours, 17 minutes, 22 seconds
In other bases
ternary (3) 1220222220021
quaternary (4) 3321313102
quinary (5) 230222232
senary (6) 33534054
septenary (7) 11461540
nonary (9) 1828807
undecimal (11) 639a22
duodecimal (12) 41432a
tridecimal (13) 29aab4
tetradecimal (14) 1c8d90
pentadecimal (15) 153397

As an angle

1,023,442° = 2,842 × 360° + 322°
322° ≈ 5.62 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零二萬三千四百四十二
Chinese (financial)
壹佰零貳萬參仟肆佰肆拾貳
In other modern scripts
Eastern Arabic ١٠٢٣٤٤٢ Devanagari १०२३४४२ Bengali ১০২৩৪৪২ Tamil ௧௦௨௩௪௪௨ Thai ๑๐๒๓๔๔๒ Tibetan ༡༠༢༣༤༤༢ Khmer ១០២៣៤៤២ Lao ໑໐໒໓໔໔໒ Burmese ၁၀၂၃၄၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1023442, here are decompositions:

  • 23 + 1023419 = 1023442
  • 29 + 1023413 = 1023442
  • 53 + 1023389 = 1023442
  • 89 + 1023353 = 1023442
  • 113 + 1023329 = 1023442
  • 131 + 1023311 = 1023442
  • 179 + 1023263 = 1023442
  • 239 + 1023203 = 1023442

Showing the first eight; more decompositions exist.

Hex color
#0F9DD2
RGB(15, 157, 210)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.157.210.

Address
0.15.157.210
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.157.210

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 2, 3442 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 3442-02-01 (DMMYYYY (Euro, single-digit day))
  • 3442-10-02 (MMDYYYY (US, single-digit day))
  • 3442-02-10 (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 1,023,442 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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.