1,253
1,253 is a composite number, odd, a calendar year.
Historical context — 1253 AD
Calendar year
Year 1253 (MCCLIII) 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
-
Wednesday
January 1, 1253
- Ended on
-
Wednesday
December 31, 1253
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
1250s
1250–1259
- Century
-
13th century
1201–1300
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
773
773 years before 2026.
In other calendars
- Hebrew
-
5013 / 5014 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
650 / 651 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Ox
Sexagenary cycle position 50 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1796 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
631 / 632 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1245 / 1246 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1175 / 1174 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 7 × 179
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand two hundred fifty-three
- Ordinal
- 1253rd
- Roman numeral
- MCCLIII
- Binary
- 10011100101
- Octal
- 2345
- Hexadecimal
- 0x4E5
- Base64
- BOU=
- One's complement
- 64,282 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ασνγʹ
- Mayan (base 20)
- 𝋣·𝋢·𝋭
- Chinese
- 一千二百五十三
- Chinese (financial)
- 壹仟貳佰伍拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,253 = 4
- e — Euler's number (e)
- Digit 1,253 = 4
- φ — Golden ratio (φ)
- Digit 1,253 = 8
- √2 — Pythagoras's (√2)
- Digit 1,253 = 5
- ln 2 — Natural log of 2
- Digit 1,253 = 1
- γ — Euler-Mascheroni (γ)
- Digit 1,253 = 5
Also seen as
UTF-8 encoding: D3 A5 (2 bytes).
Code page 1253 is Windows-1253 (Greek) — Microsoft Windows encoding for Greek.
Code pages are integer identifiers used by Windows and other systems to refer to specific character encodings.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.229.
- Address
- 0.0.4.229
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.4.229
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1253 first appears in π at position 1,350 of the decimal expansion (the 1,350ordinal-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.