1,933
1,933 is a prime, odd, a calendar year.
1,933 (one thousand nine hundred thirty-three) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in Roman numerals it is MCMXXXIII and in binary, 11110001101.
Interestingness
Notable events — 1933 AD
- Jan 30 Adolf Hitler is appointed Chancellor of Germany.
- Feb 27 The Reichstag fire is used to justify suspending civil liberties in Germany.
- Mar 4 Franklin D. Roosevelt is inaugurated US president.
- Mar 22 The first Nazi concentration camp opens at Dachau.
- Dec 5 The 21st Amendment ends Prohibition in the United States.
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, 1933
- Ended on
-
Sunday
December 31, 1933
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
April 16
Sunday, April 16, 1933
- Decade
-
1930s
1930–1939
- Century
-
20th century
1901–2000
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
93
93 years before 2026.
In other calendars
- Hebrew
-
5693 / 5694 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1351 / 1352 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Rooster
Sexagenary cycle position 10 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2476 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1311 / 1312 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1925 / 1926 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1855 / 1854 Saka
Indian national calendar; year starts in March.
- Japanese
-
Shōwa 8
Reign-era counting from the start of each emperor's reign.
Properties
Primality
1,933 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,933 = [43; (1, 28, 3, 9, 2, 3, 1, 2, 2, 12, 7, 4, 21, 1, 2, 1, 6, 1, 1, 2, 1, 1, 1, 1, …)]
Period length 51 — the block in parentheses repeats forever.
Representations
- In words
- one thousand nine hundred thirty-three
- Ordinal
- 1933rd
- Roman numeral
- MCMXXXIII
- Binary
- 11110001101
- Octal
- 3615
- Hexadecimal
- 0x78D
- Base64
- B40=
- One's complement
- 63,602 (16-bit)
- Scientific notation
- 1.933 × 10³
- As a duration
- 1,933 s = 32 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵αϡλγʹ
- Mayan (base 20)
- 𝋤·𝋰·𝋭
- Chinese
- 一千九百三十三
- Chinese (financial)
- 壹仟玖佰參拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,933 = 6
- e — Euler's number (e)
- Digit 1,933 = 6
- φ — Golden ratio (φ)
- Digit 1,933 = 9
- √2 — Pythagoras's (√2)
- Digit 1,933 = 9
- ln 2 — Natural log of 2
- Digit 1,933 = 2
- γ — Euler-Mascheroni (γ)
- Digit 1,933 = 3
Also seen as
UTF-8 encoding: DE 8D (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.141.
- Address
- 0.0.7.141
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.141
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,933 Hz is closest to:
- Concert pitch (A4 = 440 Hz): B6 (1975.5 Hz, -38¢)
- Scientific pitch (C4 = 256 Hz): B6 (1933.1 Hz, exact)
- Baroque pitch (A4 = 415 Hz): C7 (1974.1 Hz, -36¢)
The digit sequence 1933 first appears in π at position 13,811 of the decimal expansion (the 13,811ordinal-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.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.