1,475
1,475 is a composite number, odd, a calendar year.
1,475 (one thousand four hundred seventy-five) is an odd 4-digit number. It is a composite number with 6 divisors, and factors as 5² × 59. Written other ways, in Roman numerals it is MCDLXXV and in binary, 10111000011.
Interestingness
Historical context — 1475 AD
Calendar year
Year 1475 (MCDLXXV) was a common year starting on Sunday 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
-
Friday
January 1, 1475
- Ended on
-
Friday
December 31, 1475
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
1470s
1470–1479
- Century
-
15th century
1401–1500
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
551
551 years before 2026.
In other calendars
- Hebrew
-
5235 / 5236 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
879 / 880 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Goat
Sexagenary cycle position 32 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2018 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
853 / 854 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1467 / 1468 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1397 / 1396 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 5 2 × 59
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,475 = [38; (2, 2, 6, 1, 1, 2, 1, 1, 6, 2, 2, 76)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one thousand four hundred seventy-five
- Ordinal
- 1475th
- Roman numeral
- MCDLXXV
- Binary
- 10111000011
- Octal
- 2703
- Hexadecimal
- 0x5C3
- Base64
- BcM=
- One's complement
- 64,060 (16-bit)
- Scientific notation
- 1.475 × 10³
- As a duration
- 1,475 s = 24 minutes, 35 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αυοεʹ
- Mayan (base 20)
- 𝋣·𝋭·𝋯
- Chinese
- 一千四百七十五
- Chinese (financial)
- 壹仟肆佰柒拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,475 = 9
- e — Euler's number (e)
- Digit 1,475 = 5
- φ — Golden ratio (φ)
- Digit 1,475 = 7
- √2 — Pythagoras's (√2)
- Digit 1,475 = 9
- ln 2 — Natural log of 2
- Digit 1,475 = 3
- γ — Euler-Mascheroni (γ)
- Digit 1,475 = 1
Also seen as
UTF-8 encoding: D7 83 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.195.
- Address
- 0.0.5.195
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.195
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,475 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F♯6 (1480 Hz, -6¢)
- Scientific pitch (C4 = 256 Hz): F♯6 (1448.2 Hz, +32¢)
- Baroque pitch (A4 = 415 Hz): G6 (1478.9 Hz, -5¢)
The digit sequence 1475 first appears in π at position 7,207 of the decimal expansion (the 7,207ordinal-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.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.