1,519
1,519 is a composite number, odd, a calendar year.
1,519 (one thousand five hundred nineteen) is an odd 4-digit number. It is a composite number with 6 divisors, and factors as 7² × 31. Written other ways, in Roman numerals it is MDXIX and in binary, 10111101111.
Interestingness
Notable events — 1519 AD
- Feb 18 Hernán Cortés departs Cuba for the conquest of Mexico.
- Jun 28 Charles V is elected Holy Roman Emperor.
- Sep 20 Ferdinand Magellan's expedition departs Spain to circumnavigate the globe.
- May 2 Leonardo da Vinci dies in France.
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
-
Wednesday
January 1, 1519
- Ended on
-
Wednesday
December 31, 1519
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
1510s
1510–1519
- Century
-
16th century
1501–1600
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
507
507 years before 2026.
In other calendars
- Hebrew
-
5279 / 5280 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
924 / 925 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
-
2062 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
897 / 898 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1511 / 1512 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1441 / 1440 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 2 × 31
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,519 = [38; (1, 37, 1, 76)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one thousand five hundred nineteen
- Ordinal
- 1519th
- Roman numeral
- MDXIX
- Binary
- 10111101111
- Octal
- 2757
- Hexadecimal
- 0x5EF
- Base64
- Be8=
- One's complement
- 64,016 (16-bit)
- Scientific notation
- 1.519 × 10³
- As a duration
- 1,519 s = 25 minutes, 19 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αφιθʹ
- Mayan (base 20)
- 𝋣·𝋯·𝋳
- Chinese
- 一千五百一十九
- Chinese (financial)
- 壹仟伍佰壹拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,519 = 5
- e — Euler's number (e)
- Digit 1,519 = 4
- φ — Golden ratio (φ)
- Digit 1,519 = 3
- √2 — Pythagoras's (√2)
- Digit 1,519 = 6
- ln 2 — Natural log of 2
- Digit 1,519 = 3
- γ — Euler-Mascheroni (γ)
- Digit 1,519 = 4
Also seen as
UTF-8 encoding: D7 AF (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.239.
- Address
- 0.0.5.239
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.239
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,519 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F♯6 (1480 Hz, +45¢ — about midway to G6)
- Scientific pitch (C4 = 256 Hz): G6 (1534.3 Hz, -17¢)
- Baroque pitch (A4 = 415 Hz): G6 (1478.9 Hz, +46¢ — about midway to G♯6)
The digit sequence 1519 first appears in π at position 22,784 of the decimal expansion (the 22,784ordinal-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.