number.wiki
Number

1,673

1,673 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree Year

Notable events — 1673 AD

  1. May 17 Jacques Marquette and Louis Jolliet begin exploring the upper Mississippi.
  2. Aug 21 The Dutch defeat an Anglo-French fleet at Texel.
  3. Mar 29 The Test Act excludes Catholics from English office.

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, 1673
Ended on
Sunday
December 31, 1673
Friday the 13ths
2
2 Friday the 13ths this year.
Easter Sunday
April 2
Sunday, April 2, 1673
Decade
1670s
1670–1679
Century
17th century
1601–1700
Millennium
2nd millennium
1001–2000
Years ago
353
353 years before 2026.

In other calendars

Hebrew
5433 / 5434 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
1083 / 1084 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Water zodiac:Ox
Sexagenary cycle position 50 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
2216 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
1051 / 1052 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
1665 / 1666 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
1595 / 1594 Saka
Indian national calendar; year starts in March.

Properties

Parity
Odd
Digit count
4
Digit sum
17
Digit product
126
Digital root
8
Palindrome
No
Bit width
11 bits
Reversed
3,761
Recamán's sequence
a(814) = 1,673
Square (n²)
2,798,929
Cube (n³)
4,682,608,217
Divisor count
4
σ(n) — sum of divisors
1,920
φ(n) — Euler's totient
1,428
Sum of prime factors
246

Primality

Prime factorization: 7 × 239

Nearest primes: 1,669 (−4) · 1,693 (+20)

Divisors & multiples

All divisors (4)
1 · 7 · 239 · 1673
Aliquot sum (sum of proper divisors): 247
Factor pairs (a × b = 1,673)
1 × 1673
7 × 239
First multiples
1,673 · 3,346 (double) · 5,019 · 6,692 · 8,365 · 10,038 · 11,711 · 13,384 · 15,057 · 16,730

Sums & aliquot sequence

As consecutive integers: 836 + 837 236 + 237 + … + 242 113 + 114 + … + 126
Aliquot sequence: 1,673 247 33 15 9 4 3 1 0 — terminates at zero

Representations

In words
one thousand six hundred seventy-three
Ordinal
1673rd
Roman numeral
MDCLXXIII
Binary
11010001001
Octal
3211
Hexadecimal
0x689
Base64
Bok=
One's complement
63,862 (16-bit)
In other bases
ternary (3) 2021222
quaternary (4) 122021
quinary (5) 23143
senary (6) 11425
septenary (7) 4610
nonary (9) 2258
undecimal (11) 1291
duodecimal (12) b75
tridecimal (13) 9b9
tetradecimal (14) 877
pentadecimal (15) 768

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵αχογʹ
Mayan (base 20)
𝋤·𝋣·𝋭
Chinese
一千六百七十三
Chinese (financial)
壹仟陸佰柒拾參
In other modern scripts
Eastern Arabic ١٦٧٣ Devanagari १६७३ Bengali ১৬৭৩ Tamil ௧௬௭௩ Thai ๑๖๗๓ Tibetan ༡༦༧༣ Khmer ១៦៧៣ Lao ໑໖໗໓ Burmese ၁၆၇၃

Digit at this position in famous constants

π — Pi (π)
Digit 1,673 = 7
e — Euler's number (e)
Digit 1,673 = 8
φ — Golden ratio (φ)
Digit 1,673 = 6
√2 — Pythagoras's (√2)
Digit 1,673 = 4
ln 2 — Natural log of 2
Digit 1,673 = 4
γ — Euler-Mascheroni (γ)
Digit 1,673 = 2

Also seen as

Unicode codepoint
ډ
Arabic Letter Dal With Ring
U+0689
Other letter (Lo)

UTF-8 encoding: DA 89 (2 bytes).

Hex color
#000689
RGB(0, 6, 137)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.6.137.

Address
0.0.6.137
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.6.137

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 1673 first appears in π at position 5,033 of the decimal expansion (the 5,033ordinal-suffix:rd 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.