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1,018,444

1,018,444 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.).

1,018,444 (one million eighteen thousand four hundred forty-four) is an even 7-digit number. It is a composite number with 12 divisors, and factors as 2² × 7 × 36,373. Its proper divisors sum to 1,018,500, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF8A4C.

Abundant Number Cube-Free Evil Number Gapful Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
22
Digit product
0
Digital root
4
Palindrome
No
Bit width
20 bits
Reversed
4,448,101
Square (n²)
1,037,228,181,136
Cube (n³)
1,056,358,817,708,872,384
Divisor count
12
σ(n) — sum of divisors
2,036,944
φ(n) — Euler's totient
436,464
Sum of prime factors
36,384

Primality

Prime factorization: 2 2 × 7 × 36373

Nearest primes: 1,018,439 (−5) · 1,018,447 (+3)

Divisors & multiples

All divisors (12)
1 · 2 · 4 · 7 · 14 · 28 · 36373 · 72746 · 145492 · 254611 · 509222 (half) · 1018444
Aliquot sum (sum of proper divisors): 1,018,500
Factor pairs (a × b = 1,018,444)
1 × 1018444
2 × 509222
4 × 254611
7 × 145492
14 × 72746
28 × 36373
First multiples
1,018,444 · 2,036,888 (double) · 3,055,332 · 4,073,776 · 5,092,220 · 6,110,664 · 7,129,108 · 8,147,552 · 9,165,996 · 10,184,440

Sums & aliquot sequence

As consecutive integers: 145,489 + 145,490 + … + 145,495 127,302 + 127,303 + … + 127,309 18,159 + 18,160 + … + 18,214
Aliquot sequence: 1,018,444 1,018,500 2,406,012 4,010,244 6,683,964 11,529,924 19,384,764 32,308,164 66,758,076 143,639,748 278,396,412 463,994,244 922,266,940 1,293,401,732 1,307,863,228 1,407,285,572 1,683,591,868 — unresolved within range

Continued fraction of √n

√1,018,444 = [1009; (5, 1, 1, 3, 1, 2, 5, 2, 3, 1, 2, 8, 1, 15, 1, 12, 1, 1, 1, 1, 7, 23, 1, 1, …)]

Representations

In words
one million eighteen thousand four hundred forty-four
Ordinal
1018444th
Binary
11111000101001001100
Octal
3705114
Hexadecimal
0xF8A4C
Base64
D4pM
One's complement
4,293,948,851 (32-bit)
Scientific notation
1.018444 × 10⁶
As a duration
1,018,444 s = 11 days, 18 hours, 54 minutes, 4 seconds
In other bases
ternary (3) 1220202001011
quaternary (4) 3320221030
quinary (5) 230042234
senary (6) 33455004
septenary (7) 11441140
nonary (9) 1822034
undecimal (11) 636199
duodecimal (12) 411464
tridecimal (13) 29873b
tetradecimal (14) 1c7220
pentadecimal (15) 151b64

As an angle

1,018,444° = 2,829 × 360° + 4°
4° ≈ 0.07 rad
Compass bearing: N (north)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
Chinese
一百零一萬八千四百四十四
Chinese (financial)
壹佰零壹萬捌仟肆佰肆拾肆
In other modern scripts
Eastern Arabic ١٠١٨٤٤٤ Devanagari १०१८४४४ Bengali ১০১৮৪৪৪ Tamil ௧௦௧௮௪௪௪ Thai ๑๐๑๘๔๔๔ Tibetan ༡༠༡༨༤༤༤ Khmer ១០១៨៤៤៤ Lao ໑໐໑໘໔໔໔ Burmese ၁၀၁၈၄၄၄

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1018444, here are decompositions:

  • 5 + 1018439 = 1018444
  • 23 + 1018421 = 1018444
  • 107 + 1018337 = 1018444
  • 131 + 1018313 = 1018444
  • 173 + 1018271 = 1018444
  • 191 + 1018253 = 1018444
  • 197 + 1018247 = 1018444
  • 227 + 1018217 = 1018444

Showing the first eight; more decompositions exist.

Hex color
#0F8A4C
RGB(15, 138, 76)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.138.76.

Address
0.15.138.76
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.138.76

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 8444 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 8444-10-01 (MMDYYYY (US, single-digit day))
  • 8444-01-10 (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 1,018,444 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°.