Number

719

719 is a prime, odd, a calendar year.

Arithmetic Number Chen Prime Deficient Number Odious Number Pernicious Number Prime Recamán's Sequence Safe Prime Sophie Germain Prime Squarefree Year

Historical context — 719 AD

Calendar year

Year 719 (DCCXIX) was a common year starting on Sunday of the Julian calendar, the 719th year of the Common Era (CE) and Anno Domini (AD) designations, the 719th year of the 1st millennium, the 19th year of the 8th century, and the 10th and last year of the 710s decade.

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Historical context — 719 BC

Decade

This article concerns the period 719 BC – 710 BC.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

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, 719
Ended on: Wednesday
December 31, 719
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 710s
710–719
Century: 8th century
701–800
Millennium: 1st millennium
1–1000
Years ago: 1,307
1307 years before 2026.

In other calendars

Hebrew: 4479 / 4480 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 100 / 101 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Earth zodiac:Goat
Sexagenary cycle position 56 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1262 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 97 / 98 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 711 / 712 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 641 / 640 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 17
Digit product: 63
Digital root: 8
Palindrome: No
Bit width: 10 bits
Reversed: 917
Recamán's sequence: a(225) = 719
Square (n²): 516,961
Cube (n³): 371,694,959
Divisor count: 2
σ(n) — sum of divisors: 720
φ(n) — Euler's totient: 718

Primality

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

Divisors & multiples

All divisors (2)

1 · 719

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 719)

1 × 719

First multiples

719 · 1,438 (double) · 2,157 · 2,876 · 3,595 · 4,314 · 5,033 · 5,752 · 6,471 · 7,190

Sums & aliquot sequence

As consecutive integers: 359 + 360

Representations

In words: seven hundred nineteen
Ordinal: 719th
Roman numeral: DCCXIX
Binary: 1011001111
Octal: 1317
Hexadecimal: 0x2CF
Base64: As8=
One's complement: 64,816 (16-bit)

In other bases

ternary (3) 222122

quaternary (4) 23033

quinary (5) 10334

senary (6) 3155

septenary (7) 2045

nonary (9) 878

undecimal (11) 5a4

duodecimal (12) 4bb

tridecimal (13) 434

tetradecimal (14) 395

pentadecimal (15) 32e

Historical numeral systems

Babylonian (base 60): 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ψιθʹ
Mayan (base 20): 𝋡·𝋯·𝋳
Chinese: 七百一十九
Chinese (financial): 柒佰壹拾玖

In other modern scripts

Eastern Arabic ٧١٩ Devanagari ७१९ Bengali ৭১৯ Tamil ௭௧௯ Thai ๗๑๙ Tibetan ༧༡༩ Khmer ៧១៩ Lao ໗໑໙ Burmese ၇၁၉

Digit at this position in famous constants

π — Pi (π): Digit 719 = 9
e — Euler's number (e): Digit 719 = 3
φ — Golden ratio (φ): Digit 719 = 9
√2 — Pythagoras's (√2): Digit 719 = 5
ln 2 — Natural log of 2: Digit 719 = 4
γ — Euler-Mascheroni (γ): Digit 719 = 7

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 709 (gap of 10)
Next prime: 727 (gap of 8)

Unicode codepoint

Modifier Letter Low Acute Accent

U+02CF

Modifier letter (Lm)

UTF-8 encoding: CB 8F (2 bytes).

Lookup U+02CF on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0002CF

RGB(0, 2, 207)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.207.

Address: 0.0.2.207
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.2.207

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

NANP area code 719

The number 719 is an active NANP area code (North American Numbering Plan).

Primary area: Colorado Springs / Pueblo
Region: Colorado
Country: United States

Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.

Look up area code 719 ↗