1,939
1,939 is a composite number, odd, a calendar year.
Notable events — 1939 AD
- Apr 1 The Spanish Civil War ends with Franco's victory.
- Aug 23 Germany and the USSR sign the Molotov-Ribbentrop Pact.
- Sep 1 Germany invades Poland, starting World War II.
- Sep 3 Britain and France declare war on Germany.
- Aug 25 The Wizard of Oz premieres at Grauman's Chinese Theatre.
Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0
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
-
Sunday
January 1, 1939
- Ended on
-
Sunday
December 31, 1939
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
April 9
Sunday, April 9, 1939
- Decade
-
1930s
1930–1939
- Century
-
20th century
1901–2000
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
87
87 years before 2026.
In other calendars
- Hebrew
-
5699 / 5700 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1357 / 1358 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Earth zodiac:Rabbit
Sexagenary cycle position 16 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2482 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1317 / 1318 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1931 / 1932 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1861 / 1860 Saka
Indian national calendar; year starts in March.
- Japanese
-
Shōwa 14
Reign-era counting from the start of each emperor's reign.
Properties
Primality
Prime factorization: 7 × 277
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand nine hundred thirty-nine
- Ordinal
- 1939th
- Roman numeral
- MCMXXXIX
- Binary
- 11110010011
- Octal
- 3623
- Hexadecimal
- 0x793
- Base64
- B5M=
- One's complement
- 63,596 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αϡλθʹ
- Mayan (base 20)
- 𝋤·𝋰·𝋳
- Chinese
- 一千九百三十九
- Chinese (financial)
- 壹仟玖佰參拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,939 = 6
- e — Euler's number (e)
- Digit 1,939 = 0
- φ — Golden ratio (φ)
- Digit 1,939 = 8
- √2 — Pythagoras's (√2)
- Digit 1,939 = 2
- ln 2 — Natural log of 2
- Digit 1,939 = 5
- γ — Euler-Mascheroni (γ)
- Digit 1,939 = 8
Also seen as
UTF-8 encoding: DE 93 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.147.
- Address
- 0.0.7.147
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.147
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1939 first appears in π at position 6,127 of the decimal expansion (the 6,127ordinal-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.