1,427
1,427 is a prime, odd, a calendar year.
Historical context — 1427 AD
Calendar year
Year 1427 (MCDXXVII) was a common year starting on Wednesday 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
-
Monday
January 1, 1427
- Ended on
-
Monday
December 31, 1427
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1420s
1420–1429
- Century
-
15th century
1401–1500
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
599
599 years before 2026.
In other calendars
- Hebrew
-
5187 / 5188 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
830 / 831 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Fire zodiac:Goat
Sexagenary cycle position 44 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1970 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
805 / 806 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1419 / 1420 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1349 / 1348 Saka
Indian national calendar; year starts in March.
Properties
Primality
1,427 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand four hundred twenty-seven
- Ordinal
- 1427th
- Roman numeral
- MCDXXVII
- Binary
- 10110010011
- Octal
- 2623
- Hexadecimal
- 0x593
- Base64
- BZM=
- One's complement
- 64,108 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αυκζʹ
- Mayan (base 20)
- 𝋣·𝋫·𝋧
- Chinese
- 一千四百二十七
- Chinese (financial)
- 壹仟肆佰貳拾柒
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,427 = 2
- e — Euler's number (e)
- Digit 1,427 = 1
- φ — Golden ratio (φ)
- Digit 1,427 = 8
- √2 — Pythagoras's (√2)
- Digit 1,427 = 7
- ln 2 — Natural log of 2
- Digit 1,427 = 7
- γ — Euler-Mascheroni (γ)
- Digit 1,427 = 8
Also seen as
UTF-8 encoding: D6 93 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.147.
- Address
- 0.0.5.147
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.147
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1427 first appears in π at position 2,666 of the decimal expansion (the 2,666ordinal-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.