1,505
1,505 is a composite number, odd, a calendar year.
Notable events — 1505 AD
- Jul 2 Martin Luther vows to become a monk after a near-fatal thunderstorm.
- Oct 27 Ivan III of Russia dies; Vasili III succeeds him.
- Undated Portuguese viceroy Francisco de Almeida sails for India.
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
-
Sunday
January 1, 1505
- Ended on
-
Sunday
December 31, 1505
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1500s
1500–1509
- Century
-
16th century
1501–1600
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
521
521 years before 2026.
In other calendars
- Hebrew
-
5265 / 5266 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
910 / 911 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Ox
Sexagenary cycle position 2 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2048 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
883 / 884 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1497 / 1498 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1427 / 1426 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 5 × 7 × 43
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand five hundred five
- Ordinal
- 1505th
- Roman numeral
- MDV
- Binary
- 10111100001
- Octal
- 2741
- Hexadecimal
- 0x5E1
- Base64
- BeE=
- One's complement
- 64,030 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αφεʹ
- Mayan (base 20)
- 𝋣·𝋯·𝋥
- Chinese
- 一千五百零五
- Chinese (financial)
- 壹仟伍佰零伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,505 = 1
- e — Euler's number (e)
- Digit 1,505 = 7
- φ — Golden ratio (φ)
- Digit 1,505 = 1
- √2 — Pythagoras's (√2)
- Digit 1,505 = 9
- ln 2 — Natural log of 2
- Digit 1,505 = 3
- γ — Euler-Mascheroni (γ)
- Digit 1,505 = 7
Also seen as
UTF-8 encoding: D7 A1 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.225.
- Address
- 0.0.5.225
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.225
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1505 first appears in π at position 20,277 of the decimal expansion (the 20,277ordinal-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.