1,988
1,988 is a composite number, even, a calendar year.
Notable events — 1988 AD
- Jul 3 The USS Vincennes shoots down Iran Air Flight 655, killing all 290 aboard.
- Aug 20 A ceasefire ends the eight-year Iran-Iraq War.
- Sep 17 The Summer Olympics open in Seoul, South Korea.
- Nov 8 George H. W. Bush is elected US president, defeating Michael Dukakis.
- Dec 7 A magnitude 6.8 earthquake devastates Spitak, Armenia, killing over 25,000.
- Dec 21 Pan Am Flight 103 explodes over Lockerbie, Scotland; 270 die.
Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0
Year facts
- Year type
-
Leap year
Divisible by 4 and not by 100; February has 29 days.
- Days in year
- 366
- ISO weeks
- 52
- Started on
-
Friday
January 1, 1988
- Ended on
-
Saturday
December 31, 1988
- Friday the 13ths
-
1
One Friday the 13th this year.
- Easter Sunday
-
April 3
Sunday, April 3, 1988
- Decade
-
1980s
1980–1989
- Century
-
20th century
1901–2000
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
38
38 years before 2026.
- US presidential election
-
Yes
US holds a presidential election in years divisible by 4 starting from 1788.
- Summer Olympics
- Yes
- Winter Olympics
-
Yes
Held in the same year as the Summer Games until 1992.
In other calendars
- Hebrew
-
5748 / 5749 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1408 / 1409 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Earth zodiac:Dragon
Sexagenary cycle position 5 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2531 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1366 / 1367 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1980 / 1981 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1910 / 1909 Saka
Indian national calendar; year starts in March.
- Japanese
-
Shōwa 63
Reign-era counting from the start of each emperor's reign.
Properties
- Parity
- Even
- Digit count
- 4
- Digit sum
- 26
- Digit product
- 576
- Digital root
- 8
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 8,891
- Flips to (rotate 180°)
- 8,861
- Recamán's sequence
- a(3,775) = 1,988
- Square (n²)
- 3,952,144
- Cube (n³)
- 7,856,862,272
- Divisor count
- 12
- σ(n) — sum of divisors
- 4,032
- φ(n) — Euler's totient
- 840
- Sum of prime factors
- 82
Primality
Prime factorization: 2 2 × 7 × 71
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand nine hundred eighty-eight
- Ordinal
- 1988th
- Roman numeral
- MCMLXXXVIII
- Binary
- 11111000100
- Octal
- 3704
- Hexadecimal
- 0x7C4
- Base64
- B8Q=
- One's complement
- 63,547 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αϡπηʹ
- Mayan (base 20)
- 𝋤·𝋳·𝋨
- Chinese
- 一千九百八十八
- Chinese (financial)
- 壹仟玖佰捌拾捌
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,988 = 3
- e — Euler's number (e)
- Digit 1,988 = 7
- φ — Golden ratio (φ)
- Digit 1,988 = 1
- √2 — Pythagoras's (√2)
- Digit 1,988 = 7
- ln 2 — Natural log of 2
- Digit 1,988 = 9
- γ — Euler-Mascheroni (γ)
- Digit 1,988 = 3
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1988, here are decompositions:
- 37 + 1951 = 1988
- 109 + 1879 = 1988
- 127 + 1861 = 1988
- 157 + 1831 = 1988
- 199 + 1789 = 1988
- 211 + 1777 = 1988
- 229 + 1759 = 1988
- 241 + 1747 = 1988
Showing the first eight; more decompositions exist.
UTF-8 encoding: DF 84 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.196.
- Address
- 0.0.7.196
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.196
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1988 first appears in π at position 1,535 of the decimal expansion (the 1,535ordinal-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.