1,749
1,749 is a composite number, odd, a calendar year.
1,749 (one thousand seven hundred forty-nine) is an odd 4-digit number. It is a composite number with 8 divisors, and factors as 3 × 11 × 53. Written other ways, in Roman numerals it is MDCCXLIX and in binary, 11011010101.
Interestingness
Notable events — 1749 AD
- Jun 21 Halifax, Nova Scotia, is founded.
- Feb 15 Henry Fielding publishes Tom Jones.
- Undated Georges-Louis Leclerc, Comte de Buffon, publishes the first three volumes of Histoire Naturelle.
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
-
Wednesday
January 1, 1749
- Ended on
-
Wednesday
December 31, 1749
- Friday the 13ths
-
1
One Friday the 13th this year.
- Easter Sunday
-
April 6
Sunday, April 6, 1749
- Decade
-
1740s
1740–1749
- Century
-
18th century
1701–1800
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
277
277 years before 2026.
In other calendars
- Hebrew
-
5509 / 5510 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1162 / 1163 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Earth zodiac:Snake
Sexagenary cycle position 6 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2292 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1127 / 1128 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1741 / 1742 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1671 / 1670 Saka
Indian national calendar; year starts in March.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 21
- Digit product
- 252
- Digital root
- 3
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 9,471
- Recamán's sequence
- a(16,201) = 1,749
- Square (n²)
- 3,059,001
- Cube (n³)
- 5,350,192,749
- Divisor count
- 8
- σ(n) — sum of divisors
- 2,592
- φ(n) — Euler's totient
- 1,040
- Sum of prime factors
- 67
Primality
Prime factorization: 3 × 11 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,749 = [41; (1, 4, 1, 1, 2, 2, 1, 20, 4, 1, 6, 1, 4, 20, 1, 2, 2, 1, 1, 4, 1, 82)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one thousand seven hundred forty-nine
- Ordinal
- 1749th
- Roman numeral
- MDCCXLIX
- Binary
- 11011010101
- Octal
- 3325
- Hexadecimal
- 0x6D5
- Base64
- BtU=
- One's complement
- 63,786 (16-bit)
- Scientific notation
- 1.749 × 10³
- As a duration
- 1,749 s = 29 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αψμθʹ
- Mayan (base 20)
- 𝋤·𝋧·𝋩
- Chinese
- 一千七百四十九
- Chinese (financial)
- 壹仟柒佰肆拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,749 = 5
- e — Euler's number (e)
- Digit 1,749 = 1
- φ — Golden ratio (φ)
- Digit 1,749 = 6
- √2 — Pythagoras's (√2)
- Digit 1,749 = 9
- ln 2 — Natural log of 2
- Digit 1,749 = 3
- γ — Euler-Mascheroni (γ)
- Digit 1,749 = 8
Also seen as
UTF-8 encoding: DB 95 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.6.213.
- Address
- 0.0.6.213
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.6.213
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 1,749 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A6 (1760 Hz, -11¢)
- Scientific pitch (C4 = 256 Hz): A6 (1722.2 Hz, +27¢)
- Baroque pitch (A4 = 415 Hz): A♯6 (1758.7 Hz, -10¢)
The digit sequence 1749 first appears in π at position 2,109 of the decimal expansion (the 2,109ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.