Number

1,699

1,699 is a prime, odd, a calendar year.

Arithmetic Number Deficient Number Evil Number Flippable Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime Year

Notable events — 1699 AD

Jan 26 The Treaty of Karlowitz ends the Great Turkish War.
Nov 19 Russia abandons the Old Style calendar to align with Europe.
Mar 2 The Treaty of Preobrazhenskoye forms a triple anti-Swedish alliance.

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, 1699
Ended on: Thursday
December 31, 1699
Friday the 13ths: 3
3 Friday the 13ths this year.
Easter Sunday: April 19
Sunday, April 19, 1699
Decade: 1690s
1690–1699
Century: 17th century
1601–1700
Millennium: 2nd millennium
1001–2000
Years ago: 327
327 years before 2026.

In other calendars

Hebrew: 5459 / 5460 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 1110 / 1111 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Earth zodiac:Rabbit
Sexagenary cycle position 16 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 2242 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 1077 / 1078 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1691 / 1692 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1621 / 1620 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 25
Digit product: 486
Digital root: 7
Palindrome: No
Bit width: 11 bits
Reversed: 9,961
Flips to (rotate 180°): 6,691
Recamán's sequence: a(966) = 1,699
Square (n²): 2,886,601
Cube (n³): 4,904,335,099
Divisor count: 2
σ(n) — sum of divisors: 1,700
φ(n) — Euler's totient: 1,698

Primality

1,699 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1699

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,699)

1 × 1699

First multiples

1,699 · 3,398 (double) · 5,097 · 6,796 · 8,495 · 10,194 · 11,893 · 13,592 · 15,291 · 16,990

Sums & aliquot sequence

As consecutive integers: 849 + 850

Representations

In words: one thousand six hundred ninety-nine
Ordinal: 1699th
Roman numeral: MDCXCIX
Binary: 11010100011
Octal: 3243
Hexadecimal: 0x6A3
Base64: BqM=
One's complement: 63,836 (16-bit)

In other bases

ternary (3) 2022221

quaternary (4) 122203

quinary (5) 23244

senary (6) 11511

septenary (7) 4645

nonary (9) 2287

undecimal (11) 1305

duodecimal (12) b97

tridecimal (13) a09

tetradecimal (14) 895

pentadecimal (15) 784

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵αχϟθʹ
Mayan (base 20): 𝋤·𝋤·𝋳
Chinese: 一千六百九十九
Chinese (financial): 壹仟陸佰玖拾玖

In other modern scripts

Eastern Arabic ١٦٩٩ Devanagari १६९९ Bengali ১৬৯৯ Tamil ௧௬௯௯ Thai ๑๖๙๙ Tibetan ༡༦༩༩ Khmer ១៦៩៩ Lao ໑໖໙໙ Burmese ၁၆၉၉

Digit at this position in famous constants

π — Pi (π): Digit 1,699 = 3
e — Euler's number (e): Digit 1,699 = 3
φ — Golden ratio (φ): Digit 1,699 = 4
√2 — Pythagoras's (√2): Digit 1,699 = 5
ln 2 — Natural log of 2: Digit 1,699 = 8
γ — Euler-Mascheroni (γ): Digit 1,699 = 4

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,697 (gap of 2)
Next prime: 1,709 (gap of 10)

Pair status: twin with 1697.

Unicode codepoint

Arabic Letter Feh With Dot Below

U+06A3

Other letter (Lo)

UTF-8 encoding: DA A3 (2 bytes).

Lookup U+06A3 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0006A3

RGB(0, 6, 163)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.6.163.

Address: 0.0.6.163
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.6.163

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

Position in π

The digit sequence 1699 first appears in π at position 7,757 of the decimal expansion (the 7,757ordinal-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.

Look up 1699 on Pi Search ↗