1,219
1,219 is a composite number, odd, a calendar year.
Notable events — 1219 AD
- Feb 24 Genghis Khan launches the Mongol invasion of the Khwarezmian Empire.
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, 1219
- Ended on
-
Tuesday
December 31, 1219
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1210s
1210–1219
- Century
-
13th century
1201–1300
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
807
807 years before 2026.
In other calendars
- Hebrew
-
4979 / 4980 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
615 / 616 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
-
1762 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
597 / 598 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1211 / 1212 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1141 / 1140 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 23 × 53
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand two hundred nineteen
- Ordinal
- 1219th
- Roman numeral
- MCCXIX
- Binary
- 10011000011
- Octal
- 2303
- Hexadecimal
- 0x4C3
- Base64
- BMM=
- One's complement
- 64,316 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ασιθʹ
- Mayan (base 20)
- 𝋣·𝋠·𝋳
- Chinese
- 一千二百一十九
- Chinese (financial)
- 壹仟貳佰壹拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,219 = 0
- e — Euler's number (e)
- Digit 1,219 = 6
- φ — Golden ratio (φ)
- Digit 1,219 = 4
- √2 — Pythagoras's (√2)
- Digit 1,219 = 0
- ln 2 — Natural log of 2
- Digit 1,219 = 1
- γ — Euler-Mascheroni (γ)
- Digit 1,219 = 2
Also seen as
UTF-8 encoding: D3 83 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.195.
- Address
- 0.0.4.195
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.4.195
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1219 first appears in π at position 1,425 of the decimal expansion (the 1,425ordinal-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.