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Number

807

807 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Evil Number Recamán's Sequence Semiprime Squarefree Year

Historical context — 807 AD

Calendar year

Year 807 (DCCCVII) was a common year starting on Friday of the Julian calendar, the 807th year of the Common Era (CE) and Anno Domini (AD) designations, the 807th year of the 1st millennium, the 7th year of the 9th century, and the 8th year of the 800s decade.

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Historical context — 807 BC

Decade

This article concerns the period 809 BC – 800 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
Monday
January 1, 807
Ended on
Monday
December 31, 807
Friday the 13ths
2
2 Friday the 13ths this year.
Decade
800s
800–809
Century
9th century
801–900
Millennium
1st millennium
1–1000
Years ago
1,219
1219 years before 2026.

In other calendars

Hebrew
4567 / 4568 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
191 / 192 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Fire zodiac:Pig
Sexagenary cycle position 24 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
1350 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
185 / 186 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
799 / 800 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
729 / 728 Saka
Indian national calendar; year starts in March.

Properties

Parity
Odd
Digit count
3
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
10 bits
Reversed
708
Recamán's sequence
a(2,134) = 807
Square (n²)
651,249
Cube (n³)
525,557,943
Divisor count
4
σ(n) — sum of divisors
1,080
φ(n) — Euler's totient
536
Sum of prime factors
272

Primality

Prime factorization: 3 × 269

Nearest primes: 797 (−10) · 809 (+2)

Divisors & multiples

All divisors (4)
1 · 3 · 269 · 807
Aliquot sum (sum of proper divisors): 273
Factor pairs (a × b = 807)
1 × 807
3 × 269
First multiples
807 · 1,614 (double) · 2,421 · 3,228 · 4,035 · 4,842 · 5,649 · 6,456 · 7,263 · 8,070

Sums & aliquot sequence

As consecutive integers: 403 + 404 268 + 269 + 270 132 + 133 + 134 + 135 + 136 + 137
Aliquot sequence: 807 273 175 73 1 0 — terminates at zero

Representations

In words
eight hundred seven
Ordinal
807th
Roman numeral
DCCCVII
Binary
1100100111
Octal
1447
Hexadecimal
0x327
Base64
Ayc=
One's complement
64,728 (16-bit)
In other bases
ternary (3) 1002220
quaternary (4) 30213
quinary (5) 11212
senary (6) 3423
septenary (7) 2232
nonary (9) 1086
undecimal (11) 674
duodecimal (12) 573
tridecimal (13) 4a1
tetradecimal (14) 419
pentadecimal (15) 38c

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
ωζʹ
Mayan (base 20)
𝋢·𝋠·𝋧
Chinese
八百零七
Chinese (financial)
捌佰零柒
In other modern scripts
Eastern Arabic ٨٠٧ Devanagari ८०७ Bengali ৮০৭ Tamil ௮௦௭ Thai ๘๐๗ Tibetan ༨༠༧ Khmer ៨០៧ Lao ໘໐໗ Burmese ၈၀၇

Digit at this position in famous constants

π — Pi (π)
Digit 807 = 5
e — Euler's number (e)
Digit 807 = 6
φ — Golden ratio (φ)
Digit 807 = 7
√2 — Pythagoras's (√2)
Digit 807 = 4
ln 2 — Natural log of 2
Digit 807 = 0
γ — Euler-Mascheroni (γ)
Digit 807 = 0

Also seen as

Unicode codepoint
̧
Combining Cedilla
U+0327
Non-spacing mark (Mn)

UTF-8 encoding: CC A7 (2 bytes).

Hex color
#000327
RGB(0, 3, 39)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.39.

Address
0.0.3.39
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.3.39

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

NANP area code 807

The number 807 is an active NANP area code (North American Numbering Plan).

Primary area
Northwestern Ontario
Region
Ontario
Country
Canada

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

Calculator-display word

Type 807 on a seven-segment calculator, flip it 180°, and the display reads:

LOB

A staple of calculator humor since pocket calculators put digits in front of bored students.