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1,018,144

1,018,144 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.).

1,018,144 (one million eighteen thousand one hundred forty-four) is an even 7-digit number. It is a composite number with 12 divisors, and factors as 2⁵ × 31,817. Written other ways, in hexadecimal, 0xF8920.

Deficient Number Evil Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
20 bits
Reversed
4,418,101
Square (n²)
1,036,617,204,736
Cube (n³)
1,055,425,587,298,729,984
Divisor count
12
σ(n) — sum of divisors
2,004,534
φ(n) — Euler's totient
509,056
Sum of prime factors
31,827

Primality

Prime factorization: 2 5 × 31817

Nearest primes: 1,018,123 (−21) · 1,018,177 (+33)

Divisors & multiples

All divisors (12)
1 · 2 · 4 · 8 · 16 · 32 · 31817 · 63634 · 127268 · 254536 · 509072 (half) · 1018144
Aliquot sum (sum of proper divisors): 986,390
Factor pairs (a × b = 1,018,144)
1 × 1018144
2 × 509072
4 × 254536
8 × 127268
16 × 63634
32 × 31817
First multiples
1,018,144 · 2,036,288 (double) · 3,054,432 · 4,072,576 · 5,090,720 · 6,108,864 · 7,127,008 · 8,145,152 · 9,163,296 · 10,181,440

Sums & aliquot sequence

As a sum of two squares: 588² + 820²
As consecutive integers: 15,877 + 15,878 + … + 15,940
Aliquot sequence: 1,018,144 986,390 789,130 745,334 372,670 307,730 246,202 192,710 203,866 125,498 64,582 48,278 25,162 14,294 10,234 8,774 4,834 — unresolved within range

Continued fraction of √n

√1,018,144 = [1009; (32, 31, 63, 31, 32, 2018)]

Period length 6 — the block in parentheses repeats forever.

Representations

In words
one million eighteen thousand one hundred forty-four
Ordinal
1018144th
Binary
11111000100100100000
Octal
3704440
Hexadecimal
0xF8920
Base64
D4kg
One's complement
4,293,949,151 (32-bit)
Scientific notation
1.018144 × 10⁶
As a duration
1,018,144 s = 11 days, 18 hours, 49 minutes, 4 seconds
In other bases
ternary (3) 1220201122001
quaternary (4) 3320210200
quinary (5) 230040034
senary (6) 33453344
septenary (7) 11440231
nonary (9) 1821561
undecimal (11) 635a46
duodecimal (12) 411254
tridecimal (13) 29856a
tetradecimal (14) 1c7088
pentadecimal (15) 151a14

As an angle

1,018,144° = 2,828 × 360° + 64°
64° ≈ 1.117 rad
Compass bearing: ENE (east-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
Chinese
一百零一萬八千一百四十四
Chinese (financial)
壹佰零壹萬捌仟壹佰肆拾肆
In other modern scripts
Eastern Arabic ١٠١٨١٤٤ Devanagari १०१८१४४ Bengali ১০১৮১৪৪ Tamil ௧௦௧௮௧௪௪ Thai ๑๐๑๘๑๔๔ Tibetan ༡༠༡༨༡༤༤ Khmer ១០១៨១៤៤ Lao ໑໐໑໘໑໔໔ Burmese ၁၀၁၈၁၄၄

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1018144, here are decompositions:

  • 47 + 1018097 = 1018144
  • 53 + 1018091 = 1018144
  • 137 + 1018007 = 1018144
  • 191 + 1017953 = 1018144
  • 263 + 1017881 = 1018144
  • 293 + 1017851 = 1018144
  • 317 + 1017827 = 1018144
  • 431 + 1017713 = 1018144

Showing the first eight; more decompositions exist.

Hex color
#0F8920
RGB(15, 137, 32)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.137.32.

Address
0.15.137.32
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.137.32

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 8144 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 8144-10-01 (MMDYYYY (US, single-digit day))
  • 8144-01-10 (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 1,018,144 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°.