1,013
1,013 is a prime, odd, a calendar year.
Historical context — 1013 AD
Calendar year
Year 1013 (MXIII) was a common year starting on Thursday of the Julian calendar.
Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback 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
-
Friday
January 1, 1013
- Ended on
-
Friday
December 31, 1013
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
1010s
1010–1019
- Century
-
11th century
1001–1100
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
1,013
1013 years before 2026.
In other calendars
- Hebrew
-
4773 / 4774 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
403 / 404 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
-
1556 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
391 / 392 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1005 / 1006 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
935 / 934 Saka
Indian national calendar; year starts in March.
Properties
Primality
1,013 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand thirteen
- Ordinal
- 1013th
- Roman numeral
- MXIII
- Binary
- 1111110101
- Octal
- 1765
- Hexadecimal
- 0x3F5
- Base64
- A/U=
- One's complement
- 64,522 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵αιγʹ
- Mayan (base 20)
- 𝋢·𝋪·𝋭
- Chinese
- 一千零一十三
- Chinese (financial)
- 壹仟零壹拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,013 = 0
- e — Euler's number (e)
- Digit 1,013 = 8
- φ — Golden ratio (φ)
- Digit 1,013 = 4
- √2 — Pythagoras's (√2)
- Digit 1,013 = 2
- ln 2 — Natural log of 2
- Digit 1,013 = 4
- γ — Euler-Mascheroni (γ)
- Digit 1,013 = 0
Also seen as
UTF-8 encoding: CF B5 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.245.
- Address
- 0.0.3.245
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.3.245
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1013 first appears in π at position 8,270 of the decimal expansion (the 8,270ordinal-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.