106
106 is a composite number, even, a calendar year.
106 (one hundred six) is an even 3-digit number. It is a composite number with 4 divisors, and factors as 2 × 53. Written other ways, in Roman numerals it is CVI and in binary, 1101010.
Interestingness
Historical context — 106 AD
Calendar year
Year 106 (CVI) was a common year starting on Thursday of the Julian calendar.
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Historical context — 106 BC
Calendar year
Year 106 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
-
Friday
January 1, 106
- Ended on
-
Friday
December 31, 106
- 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
-
1,920
1920 years before 2026.
In other calendars
- Hebrew
-
3866 / 3867 AM
Rosh Hashanah falls in September/October.
- Chinese
-
Year of the zodiac:Fire zodiac:Horse
Sexagenary cycle position 43 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
649 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
98 / 99 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
28 / 27 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√106 = [10; (3, 2, 1, 1, 1, 1, 2, 3, 20)]
Period length 9 — the block in parentheses repeats forever.
Representations
- In words
- one hundred six
- Ordinal
- 106th
- Roman numeral
- CVI
- Binary
- 1101010
- Octal
- 152
- Hexadecimal
- 0x6A
- Base64
- ag==
- One's complement
- 149 (8-bit)
- Scientific notation
- 1.06 × 10²
- As a duration
- 106 s = 1 minute, 46 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓍢𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ρϛʹ
- Mayan (base 20)
- 𝋥·𝋦
- Chinese
- 一百零六
- Chinese (financial)
- 壹佰零陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 106 = 8
- e — Euler's number (e)
- Digit 106 = 6
- φ — Golden ratio (φ)
- Digit 106 = 4
- √2 — Pythagoras's (√2)
- Digit 106 = 3
- ln 2 — Natural log of 2
- Digit 106 = 1
- γ — Euler-Mascheroni (γ)
- Digit 106 = 1
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 106, here are decompositions:
- 3 + 103 = 106
- 5 + 101 = 106
- 17 + 89 = 106
- 23 + 83 = 106
- 47 + 59 = 106
- 53 + 53 = 106
As an ASCII codepoint, 106 is j. Printable ASCII character j.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.106.
- Address
- 0.0.0.106
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.0.106
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 106 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G♯2 (103.8 Hz, +36¢)
- Scientific pitch (C4 = 256 Hz): A2 (107.6 Hz, -26¢)
- Baroque pitch (A4 = 415 Hz): A2 (103.8 Hz, +37¢)
As a MIDI note number, 106 is A♯7 (3729.3 Hz at concert pitch).
On the periodic table, atomic number 106 is Seaborgium (Sg) — period 7.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.