1,273
1,273 is a composite number, odd, a calendar year.
1,273 (one thousand two hundred seventy-three) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 19 × 67. Written other ways, in Roman numerals it is MCCLXXIII and in binary, 10011111001.
Interestingness
Historical context — 1273 AD
Calendar year
Year 1273 (MCCLXXIII) was a common year starting on Sunday of the Julian calendar.
Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 Read the full article on Wikipedia →
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, 1273
- Ended on
-
Sunday
December 31, 1273
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1270s
1270–1279
- Century
-
13th century
1201–1300
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
753
753 years before 2026.
In other calendars
- Hebrew
-
5033 / 5034 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
671 / 672 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
-
1816 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
651 / 652 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1265 / 1266 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1195 / 1194 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 19 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,273 = [35; (1, 2, 8, 1, 1, 2, 2, 4, 23, 1, 1, 3, 1, 2, 5, 7, 1, 2, 1, 7, 5, 2, 1, 3, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one thousand two hundred seventy-three
- Ordinal
- 1273rd
- Roman numeral
- MCCLXXIII
- Binary
- 10011111001
- Octal
- 2371
- Hexadecimal
- 0x4F9
- Base64
- BPk=
- One's complement
- 64,262 (16-bit)
- Scientific notation
- 1.273 × 10³
- As a duration
- 1,273 s = 21 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ασογʹ
- Mayan (base 20)
- 𝋣·𝋣·𝋭
- Chinese
- 一千二百七十三
- Chinese (financial)
- 壹仟貳佰柒拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,273 = 4
- e — Euler's number (e)
- Digit 1,273 = 6
- φ — Golden ratio (φ)
- Digit 1,273 = 9
- √2 — Pythagoras's (√2)
- Digit 1,273 = 3
- ln 2 — Natural log of 2
- Digit 1,273 = 0
- γ — Euler-Mascheroni (γ)
- Digit 1,273 = 9
Also seen as
UTF-8 encoding: D3 B9 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.249.
- Address
- 0.0.4.249
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.4.249
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,273 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯6 (1244.5 Hz, +39¢)
- Scientific pitch (C4 = 256 Hz): E6 (1290.2 Hz, -23¢)
- Baroque pitch (A4 = 415 Hz): E6 (1243.6 Hz, +40¢)
The digit sequence 1273 first appears in π at position 297 of the decimal expansion (the 297ordinal-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.