916
916 is a composite number, even, a calendar year.
916 (nine hundred sixteen) is an even 3-digit number. It is a composite number with 6 divisors, and factors as 2² × 229. Written other ways, in Roman numerals it is CMXVI and in binary, 1110010100.
Interestingness
Historical context — 916 AD
Calendar year
Year 916 (CMXVI) was a leap year starting on Monday of the Julian calendar.
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Historical context — 916 BC
Decade
The 910s BC is a decade that lasted from 919 BC to 910 BC.
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Year facts
- Year type
-
Leap year
Divisible by 4 and not by 100; February has 29 days.
- Days in year
- 366
- ISO weeks
-
53
Long year: contains 53 ISO weeks.
- Started on
-
Wednesday
January 1, 916
- Ended on
-
Thursday
December 31, 916
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
910s
910–919
- Century
-
10th century
901–1000
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,110
1110 years before 2026.
In other calendars
- Hebrew
-
4676 / 4677 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
303 / 304 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Fire zodiac:Rat
Sexagenary cycle position 13 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1459 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
294 / 295 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
908 / 909 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
838 / 837 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 2 × 229
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√916 = [30; (3, 1, 3, 3, 1, 1, 14, 1, 1, 3, 3, 1, 3, 60)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred sixteen
- Ordinal
- 916th
- Roman numeral
- CMXVI
- Binary
- 1110010100
- Octal
- 1624
- Hexadecimal
- 0x394
- Base64
- A5Q=
- One's complement
- 64,619 (16-bit)
- Scientific notation
- 9.16 × 10²
- As a duration
- 916 s = 15 minutes, 16 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ϡιϛʹ
- Mayan (base 20)
- 𝋢·𝋥·𝋰
- Chinese
- 九百一十六
- Chinese (financial)
- 玖佰壹拾陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 916 = 5
- e — Euler's number (e)
- Digit 916 = 0
- φ — Golden ratio (φ)
- Digit 916 = 9
- √2 — Pythagoras's (√2)
- Digit 916 = 3
- ln 2 — Natural log of 2
- Digit 916 = 8
- γ — Euler-Mascheroni (γ)
- Digit 916 = 0
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 916, here are decompositions:
- 5 + 911 = 916
- 29 + 887 = 916
- 53 + 863 = 916
- 59 + 857 = 916
- 89 + 827 = 916
- 107 + 809 = 916
- 173 + 743 = 916
- 197 + 719 = 916
Showing the first eight; more decompositions exist.
UTF-8 encoding: CE 94 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.148.
- Address
- 0.0.3.148
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.3.148
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The number 916 is an active NANP area code (North American Numbering Plan).
- Primary area
- Sacramento
- Region
- California
- 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.
Heard as a frequency, 916 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯5 (932.3 Hz, -31¢)
- Scientific pitch (C4 = 256 Hz): A♯5 (912.3 Hz, +7¢)
- Baroque pitch (A4 = 415 Hz): B5 (931.6 Hz, -29¢)
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.