1,957
1,957 is a composite number, odd, a calendar year.
1,957 (one thousand nine hundred fifty-seven) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 19 × 103. Written other ways, in Roman numerals it is MCMLVII and in binary, 11110100101.
Interestingness
Notable events — 1957 AD
- Mar 25 France, West Germany, Italy, and the Benelux sign the Treaty of Rome, founding the EEC.
- Sep 24 Eisenhower sends federal troops to enforce desegregation at Little Rock Central High.
- Oct 4 The Soviet Union launches Sputnik 1, the first artificial satellite.
- Nov 3 Laika becomes the first animal to orbit Earth aboard Sputnik 2.
- Dec 6 The first US satellite launch attempt (Vanguard TV-3) fails on the pad.
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
-
Tuesday
January 1, 1957
- Ended on
-
Tuesday
December 31, 1957
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
April 21
Sunday, April 21, 1957
- Decade
-
1950s
1950–1959
- Century
-
20th century
1901–2000
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
69
69 years before 2026.
In other calendars
- Hebrew
-
5717 / 5718 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1376 / 1377 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Fire zodiac:Rooster
Sexagenary cycle position 34 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2500 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1335 / 1336 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1949 / 1950 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1879 / 1878 Saka
Indian national calendar; year starts in March.
- Japanese
-
Shōwa 32
Reign-era counting from the start of each emperor's reign.
Properties
Primality
Prime factorization: 19 × 103
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,957 = [44; (4, 4, 1, 21, 3, 4, 3, 21, 1, 4, 4, 88)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one thousand nine hundred fifty-seven
- Ordinal
- 1957th
- Roman numeral
- MCMLVII
- Binary
- 11110100101
- Octal
- 3645
- Hexadecimal
- 0x7A5
- Base64
- B6U=
- One's complement
- 63,578 (16-bit)
- Scientific notation
- 1.957 × 10³
- As a duration
- 1,957 s = 32 minutes, 37 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αϡνζʹ
- Mayan (base 20)
- 𝋤·𝋱·𝋱
- Chinese
- 一千九百五十七
- Chinese (financial)
- 壹仟玖佰伍拾柒
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,957 = 4
- e — Euler's number (e)
- Digit 1,957 = 6
- φ — Golden ratio (φ)
- Digit 1,957 = 1
- √2 — Pythagoras's (√2)
- Digit 1,957 = 3
- ln 2 — Natural log of 2
- Digit 1,957 = 3
- γ — Euler-Mascheroni (γ)
- Digit 1,957 = 7
Also seen as
UTF-8 encoding: DE A5 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.165.
- Address
- 0.0.7.165
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.165
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,957 Hz is closest to:
- Concert pitch (A4 = 440 Hz): B6 (1975.5 Hz, -16¢)
- Scientific pitch (C4 = 256 Hz): B6 (1933.1 Hz, +21¢)
- Baroque pitch (A4 = 415 Hz): C7 (1974.1 Hz, -15¢)
The digit sequence 1957 first appears in π at position 945 of the decimal expansion (the 945ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.