1,365
1,365 is a composite number, odd, a calendar year.
Historical context — 1365 AD
Calendar year
Year 1365 (MCCCLXV) 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
-
Tuesday
January 1, 1365
- Ended on
-
Tuesday
December 31, 1365
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1360s
1360–1369
- Century
-
14th century
1301–1400
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
661
661 years before 2026.
In other calendars
- Hebrew
-
5125 / 5126 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
766 / 767 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Snake
Sexagenary cycle position 42 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1908 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
743 / 744 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1357 / 1358 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1287 / 1286 Saka
Indian national calendar; year starts in March.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 15
- Digit product
- 90
- Digital root
- 6
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 5,631
- Recamán's sequence
- a(8,398) = 1,365
- Square (n²)
- 1,863,225
- Cube (n³)
- 2,543,302,125
- Divisor count
- 16
- σ(n) — sum of divisors
- 2,688
- φ(n) — Euler's totient
- 576
- Sum of prime factors
- 28
Primality
Prime factorization: 3 × 5 × 7 × 13
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand three hundred sixty-five
- Ordinal
- 1365th
- Roman numeral
- MCCCLXV
- Binary
- 10101010101
- Octal
- 2525
- Hexadecimal
- 0x555
- Base64
- BVU=
- One's complement
- 64,170 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ατξεʹ
- Mayan (base 20)
- 𝋣·𝋨·𝋥
- Chinese
- 一千三百六十五
- Chinese (financial)
- 壹仟參佰陸拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,365 = 8
- e — Euler's number (e)
- Digit 1,365 = 8
- φ — Golden ratio (φ)
- Digit 1,365 = 2
- √2 — Pythagoras's (√2)
- Digit 1,365 = 7
- ln 2 — Natural log of 2
- Digit 1,365 = 9
- γ — Euler-Mascheroni (γ)
- Digit 1,365 = 7
Also seen as
UTF-8 encoding: D5 95 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.85.
- Address
- 0.0.5.85
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.85
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1365 first appears in π at position 2,311 of the decimal expansion (the 2,311ordinal-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.