107
107 is a prime, odd, a calendar year.
107 (one hundred seven) is an odd 3-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in Roman numerals it is CVII and in binary, 1101011.
Interestingness
Historical context — 107 AD
Calendar year
Year 107 (CVII) was a common year starting on Friday of the Julian calendar.
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Historical context — 107 BC
Calendar year
Year 107 BC was a year of the pre-Julian Roman calendar.
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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
-
Saturday
January 1, 107
- Ended on
-
Saturday
December 31, 107
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
100s
100–109
- Century
-
2nd century
101–200
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,919
1919 years before 2026.
In other calendars
- Hebrew
-
3867 / 3868 AM
Rosh Hashanah falls in September/October.
- Chinese
-
Year of the zodiac:Fire zodiac:Goat
Sexagenary cycle position 44 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
650 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
99 / 100 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
29 / 28 Saka
Indian national calendar; year starts in March.
Properties
Primality
107 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√107 = [10; (2, 1, 9, 1, 2, 20)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred seven
- Ordinal
- 107th
- Roman numeral
- CVII
- Binary
- 1101011
- Octal
- 153
- Hexadecimal
- 0x6B
- Base64
- aw==
- One's complement
- 148 (8-bit)
- Scientific notation
- 1.07 × 10²
- As a duration
- 107 s = 1 minute, 47 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ρζʹ
- Mayan (base 20)
- 𝋥·𝋧
- Chinese
- 一百零七
- Chinese (financial)
- 壹佰零柒
Digit at this position in famous constants
- π — Pi (π)
- Digit 107 = 0
- e — Euler's number (e)
- Digit 107 = 3
- φ — Golden ratio (φ)
- Digit 107 = 0
- √2 — Pythagoras's (√2)
- Digit 107 = 8
- ln 2 — Natural log of 2
- Digit 107 = 4
- γ — Euler-Mascheroni (γ)
- Digit 107 = 4
Also seen as
As an ASCII codepoint, 107 is k. Printable ASCII character k.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.107.
- Address
- 0.0.0.107
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.0.107
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 107 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A2 (110 Hz, -48¢ — about midway to G♯2)
- Scientific pitch (C4 = 256 Hz): A2 (107.6 Hz, -10¢)
- Baroque pitch (A4 = 415 Hz): A♯2 (109.9 Hz, -47¢ — about midway to A2)
As a MIDI note number, 107 is B7 (3951.1 Hz at concert pitch).
On the periodic table, atomic number 107 is Bohrium (Bh) — period 7.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.