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1,023,426

1,023,426 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.).

1,023,426 (one million twenty-three thousand four hundred twenty-six) is an even 7-digit number. It is a composite number with 12 divisors, and factors as 2 × 3² × 56,857. Its proper divisors sum to 1,194,036, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF9DC2.

Abundant Number Cube-Free Evil Number Happy Number Harshad / Niven Moran Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
6,243,201
Square (n²)
1,047,400,777,476
Cube (n³)
1,071,937,188,089,152,776
Divisor count
12
σ(n) — sum of divisors
2,217,462
φ(n) — Euler's totient
341,136
Sum of prime factors
56,865

Primality

Prime factorization: 2 × 3 2 × 56857

Nearest primes: 1,023,419 (−7) · 1,023,461 (+35)

Divisors & multiples

All divisors (12)
1 · 2 · 3 · 6 · 9 · 18 · 56857 · 113714 · 170571 · 341142 · 511713 (half) · 1023426
Aliquot sum (sum of proper divisors): 1,194,036
Factor pairs (a × b = 1,023,426)
1 × 1023426
2 × 511713
3 × 341142
6 × 170571
9 × 113714
18 × 56857
First multiples
1,023,426 · 2,046,852 (double) · 3,070,278 · 4,093,704 · 5,117,130 · 6,140,556 · 7,163,982 · 8,187,408 · 9,210,834 · 10,234,260

Sums & aliquot sequence

As a sum of two squares: 345² + 951²
As consecutive integers: 341,141 + 341,142 + 341,143 255,855 + 255,856 + 255,857 + 255,858 113,710 + 113,711 + … + 113,718 85,280 + 85,281 + … + 85,291
Aliquot sequence: 1,023,426 1,194,036 1,739,244 2,631,556 2,060,936 1,857,364 1,564,236 2,389,896 4,427,304 9,105,816 14,394,984 21,810,936 43,795,464 68,826,936 104,117,064 160,590,936 277,385,064 — unresolved within range

Continued fraction of √n

√1,023,426 = [1011; (1, 1, 1, 4, 1, 1, 30, 1, 1, 2, 1, 1, 1, 12, 1, 1, 2, 4, 1, 8, 1, 23, 1, 3, …)]

Representations

In words
one million twenty-three thousand four hundred twenty-six
Ordinal
1023426th
Binary
11111001110111000010
Octal
3716702
Hexadecimal
0xF9DC2
Base64
D53C
One's complement
4,293,943,869 (32-bit)
Scientific notation
1.023426 × 10⁶
As a duration
1,023,426 s = 11 days, 20 hours, 17 minutes, 6 seconds
In other bases
ternary (3) 1220222212200
quaternary (4) 3321313002
quinary (5) 230222201
senary (6) 33534030
septenary (7) 11461515
nonary (9) 1828780
undecimal (11) 639a08
duodecimal (12) 414316
tridecimal (13) 29aaa1
tetradecimal (14) 1c8d7c
pentadecimal (15) 153386

As an angle

1,023,426° = 2,842 × 360° + 306°
306° ≈ 5.341 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百零二萬三千四百二十六
Chinese (financial)
壹佰零貳萬參仟肆佰貳拾陸
In other modern scripts
Eastern Arabic ١٠٢٣٤٢٦ Devanagari १०२३४२६ Bengali ১০২৩৪২৬ Tamil ௧௦௨௩௪௨௬ Thai ๑๐๒๓๔๒๖ Tibetan ༡༠༢༣༤༢༦ Khmer ១០២៣៤២៦ Lao ໑໐໒໓໔໒໖ Burmese ၁၀၂၃၄၂၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1023426, here are decompositions:

  • 7 + 1023419 = 1023426
  • 13 + 1023413 = 1023426
  • 17 + 1023409 = 1023426
  • 37 + 1023389 = 1023426
  • 59 + 1023367 = 1023426
  • 73 + 1023353 = 1023426
  • 97 + 1023329 = 1023426
  • 109 + 1023317 = 1023426

Showing the first eight; more decompositions exist.

Hex color
#0F9DC2
RGB(15, 157, 194)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.157.194.

Address
0.15.157.194
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.157.194

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

Possible date

Could be parsed as a date. Most likely interpretation: Monday, January 2, 3426 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 3426-02-01 (DMMYYYY (Euro, single-digit day))
  • 3426-10-02 (MMDYYYY (US, single-digit day))
  • 3426-02-10 (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 1,023,426 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°.