1,503
1,503 is a composite number, odd, a calendar year.
Notable events — 1503 AD
- Apr 28 Spanish forces defeat France at Cerignola in the first battle decided by gunpowder small arms.
- Aug 18 Pope Alexander VI dies; Julius II is elected after a brief Pius III papacy.
- Undated Leonardo da Vinci begins painting the Mona Lisa.
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
-
53
Long year: contains 53 ISO weeks.
- Started on
-
Thursday
January 1, 1503
- Ended on
-
Thursday
December 31, 1503
- Friday the 13ths
-
3
3 Friday the 13ths this year.
- Decade
-
1500s
1500–1509
- Century
-
16th century
1501–1600
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
523
523 years before 2026.
In other calendars
- Hebrew
-
5263 / 5264 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
908 / 909 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Water zodiac:Pig
Sexagenary cycle position 60 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2046 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
881 / 882 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1495 / 1496 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1425 / 1424 Saka
Indian national calendar; year starts in March.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 3,051
- Recamán's sequence
- a(1,554) = 1,503
- Square (n²)
- 2,259,009
- Cube (n³)
- 3,395,290,527
- Divisor count
- 6
- σ(n) — sum of divisors
- 2,184
- φ(n) — Euler's totient
- 996
- Sum of prime factors
- 173
Primality
Prime factorization: 3 2 × 167
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand five hundred three
- Ordinal
- 1503rd
- Roman numeral
- MDIII
- Binary
- 10111011111
- Octal
- 2737
- Hexadecimal
- 0x5DF
- Base64
- Bd8=
- One's complement
- 64,032 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺
- Greek (Milesian)
- ͵αφγʹ
- Mayan (base 20)
- 𝋣·𝋯·𝋣
- Chinese
- 一千五百零三
- Chinese (financial)
- 壹仟伍佰零參
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,503 = 2
- e — Euler's number (e)
- Digit 1,503 = 9
- φ — Golden ratio (φ)
- Digit 1,503 = 2
- √2 — Pythagoras's (√2)
- Digit 1,503 = 5
- ln 2 — Natural log of 2
- Digit 1,503 = 9
- γ — Euler-Mascheroni (γ)
- Digit 1,503 = 6
Also seen as
UTF-8 encoding: D7 9F (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.223.
- Address
- 0.0.5.223
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.223
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1503 first appears in π at position 1,436 of the decimal expansion (the 1,436ordinal-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.