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1,013,808

1,013,808 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.).

1,013,808 (one million thirteen thousand eight hundred eight) is an even 7-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 3 × 21,121. Its proper divisors sum to 1,605,320, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF7830.

Abundant Number Evil Number Happy Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
8,083,101
Square (n²)
1,027,806,660,864
Cube (n³)
1,041,998,615,237,210,112
Divisor count
20
σ(n) — sum of divisors
2,619,128
φ(n) — Euler's totient
337,920
Sum of prime factors
21,132

Primality

Prime factorization: 2 4 × 3 × 21121

Nearest primes: 1,013,791 (−17) · 1,013,813 (+5)

Divisors & multiples

All divisors (20)
1 · 2 · 3 · 4 · 6 · 8 · 12 · 16 · 24 · 48 · 21121 · 42242 · 63363 · 84484 · 126726 · 168968 · 253452 · 337936 · 506904 (half) · 1013808
Aliquot sum (sum of proper divisors): 1,605,320
Factor pairs (a × b = 1,013,808)
1 × 1013808
2 × 506904
3 × 337936
4 × 253452
6 × 168968
8 × 126726
12 × 84484
16 × 63363
24 × 42242
48 × 21121
First multiples
1,013,808 · 2,027,616 (double) · 3,041,424 · 4,055,232 · 5,069,040 · 6,082,848 · 7,096,656 · 8,110,464 · 9,124,272 · 10,138,080

Sums & aliquot sequence

As consecutive integers: 337,935 + 337,936 + 337,937 31,666 + 31,667 + … + 31,697 10,513 + 10,514 + … + 10,608
Aliquot sequence: 1,013,808 1,605,320 2,066,680 3,870,440 6,532,120 10,704,680 16,822,360 21,599,000 28,945,000 48,655,160 60,819,040 84,514,400 124,300,360 155,375,540 193,768,780 225,075,380 265,976,860 — unresolved within range

Continued fraction of √n

√1,013,808 = [1006; (1, 7, 2, 1, 4, 6, 4, 1, 1, 5, 5, 1, 44, 1, 13, 9, 1, 1, 1, 1, 3, 2, 1, 1, …)]

Representations

In words
one million thirteen thousand eight hundred eight
Ordinal
1013808th
Binary
11110111100000110000
Octal
3674060
Hexadecimal
0xF7830
Base64
D3gw
One's complement
4,293,953,487 (32-bit)
Scientific notation
1.013808 × 10⁶
As a duration
1,013,808 s = 11 days, 17 hours, 36 minutes, 48 seconds
In other bases
ternary (3) 1220111200110
quaternary (4) 3313200300
quinary (5) 224420213
senary (6) 33421320
septenary (7) 11421465
nonary (9) 1814613
undecimal (11) 632764
duodecimal (12) 40a840
tridecimal (13) 2965b3
tetradecimal (14) 1c566c
pentadecimal (15) 1505c3

As an angle

1,013,808° = 2,816 × 360° + 48°
48° ≈ 0.838 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百零一萬三千八百零八
Chinese (financial)
壹佰零壹萬參仟捌佰零捌
In other modern scripts
Eastern Arabic ١٠١٣٨٠٨ Devanagari १०१३८०८ Bengali ১০১৩৮০৮ Tamil ௧௦௧௩௮௦௮ Thai ๑๐๑๓๘๐๘ Tibetan ༡༠༡༣༨༠༨ Khmer ១០១៣៨០៨ Lao ໑໐໑໓໘໐໘ Burmese ၁၀၁၃၈၀၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1013808, here are decompositions:

  • 17 + 1013791 = 1013808
  • 41 + 1013767 = 1013808
  • 67 + 1013741 = 1013808
  • 79 + 1013729 = 1013808
  • 97 + 1013711 = 1013808
  • 109 + 1013699 = 1013808
  • 127 + 1013681 = 1013808
  • 137 + 1013671 = 1013808

Showing the first eight; more decompositions exist.

Hex color
#0F7830
RGB(15, 120, 48)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.120.48.

Address
0.15.120.48
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.120.48

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 3808 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 3808-10-01 (MMDYYYY (US, single-digit day))
  • 3808-01-10 (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 1,013,808 and was likely granted around 1911.

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°.