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Number

1,118

1,118 is a composite number, even, a calendar year.

Arithmetic Number Deficient Number Evil Number Flippable Recamán's Sequence Sphenic Number Squarefree Year

Historical context — 1118 AD

Calendar year

Year 1118 (MCXVIII) was a common year starting on Tuesday of the Julian calendar.

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Year facts

Year type
Common year
Standard 365-day year; not divisible by 4 (or divisible by 100 but not 400).
Days in year
365
ISO weeks
52
Started on
Tuesday
January 1, 1118
Ended on
Tuesday
December 31, 1118
Friday the 13ths
2
2 Friday the 13ths this year.
Decade
1110s
1110–1119
Century
12th century
1101–1200
Millennium
2nd millennium
1001–2000
Years ago
908
908 years before 2026.

In other calendars

Hebrew
4878 / 4879 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
511 / 512 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Earth zodiac:Dog
Sexagenary cycle position 35 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
1661 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
496 / 497 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
1110 / 1111 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
1040 / 1039 Saka
Indian national calendar; year starts in March.

Properties

Parity
Even
Digit count
4
Digit sum
11
Digit product
8
Digital root
2
Palindrome
No
Bit width
11 bits
Reversed
8,111
Flips to (rotate 180°)
8,111
Recamán's sequence
a(1,936) = 1,118
Square (n²)
1,249,924
Cube (n³)
1,397,415,032
Divisor count
8
σ(n) — sum of divisors
1,848
φ(n) — Euler's totient
504
Sum of prime factors
58

Primality

Prime factorization: 2 × 13 × 43

Nearest primes: 1,117 (−1) · 1,123 (+5)

Divisors & multiples

All divisors (8)
1 · 2 · 13 · 26 · 43 · 86 · 559 (half) · 1118
Aliquot sum (sum of proper divisors): 730
Factor pairs (a × b = 1,118)
1 × 1118
2 × 559
13 × 86
26 × 43
First multiples
1,118 · 2,236 (double) · 3,354 · 4,472 · 5,590 · 6,708 · 7,826 · 8,944 · 10,062 · 11,180

Sums & aliquot sequence

As consecutive integers: 278 + 279 + 280 + 281 80 + 81 + … + 92 5 + 6 + … + 47
Aliquot sequence: 1,118 730 602 454 230 202 104 106 56 64 63 41 1 0 — terminates at zero

Representations

In words
one thousand one hundred eighteen
Ordinal
1118th
Roman numeral
MCXVIII
Binary
10001011110
Octal
2136
Hexadecimal
0x45E
Base64
BF4=
One's complement
64,417 (16-bit)
In other bases
ternary (3) 1112102
quaternary (4) 101132
quinary (5) 13433
senary (6) 5102
septenary (7) 3155
nonary (9) 1472
undecimal (11) 927
duodecimal (12) 792
tridecimal (13) 680
tetradecimal (14) 59c
pentadecimal (15) 4e8

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵αριηʹ
Mayan (base 20)
𝋢·𝋯·𝋲
Chinese
一千一百一十八
Chinese (financial)
壹仟壹佰壹拾捌
In other modern scripts
Eastern Arabic ١١١٨ Devanagari १११८ Bengali ১১১৮ Tamil ௧௧௧௮ Thai ๑๑๑๘ Tibetan ༡༡༡༨ Khmer ១១១៨ Lao ໑໑໑໘ Burmese ၁၁၁၈

Digit at this position in famous constants

π — Pi (π)
Digit 1,118 = 6
e — Euler's number (e)
Digit 1,118 = 2
φ — Golden ratio (φ)
Digit 1,118 = 8
√2 — Pythagoras's (√2)
Digit 1,118 = 0
ln 2 — Natural log of 2
Digit 1,118 = 8
γ — Euler-Mascheroni (γ)
Digit 1,118 = 5

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1118, here are decompositions:

  • 31 + 1087 = 1118
  • 67 + 1051 = 1118
  • 79 + 1039 = 1118
  • 97 + 1021 = 1118
  • 109 + 1009 = 1118
  • 127 + 991 = 1118
  • 151 + 967 = 1118
  • 181 + 937 = 1118

Showing the first eight; more decompositions exist.

Unicode codepoint
ў
Cyrillic Small Letter Short U
U+045E
Lowercase letter (Ll)

UTF-8 encoding: D1 9E (2 bytes).

Hex color
#00045E
RGB(0, 4, 94)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.94.

Address
0.0.4.94
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.4.94

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

Position in π

The digit sequence 1118 first appears in π at position 14,375 of the decimal expansion (the 14,375ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.