59
59 is a prime, odd, a calendar year.
59 (fifty-nine) is an odd 2-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in Roman numerals it is LIX and in binary, 111011.
Interestingness
Historical context — 59 AD
Calendar year
AD 59 (LIX) was a common year starting on Monday of the Julian calendar.
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Historical context — 59 BC
Calendar year
Year 59 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
-
Wednesday
January 1, 59
- Ended on
-
Wednesday
December 31, 59
- Friday the 13ths
-
1
One Friday the 13th this year.
- Decade
-
50s
50–59
- Century
-
1st century
1–100
- Millennium
-
1st millennium
1–1000
- Years ago
-
1,967
1967 years before 2026.
In other calendars
- Hebrew
-
3819 / 3820 AM
Rosh Hashanah falls in September/October.
- 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
-
602 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Ethiopian
-
51 / 52 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
-19 / -20 Saka
Indian national calendar; year starts in March.
Properties
Primality
59 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√59 = [7; (1, 2, 7, 2, 1, 14)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- fifty-nine
- Ordinal
- 59th
- Roman numeral
- LIX
- Binary
- 111011
- Octal
- 73
- Hexadecimal
- 0x3B
- Base64
- Ow==
- One's complement
- 196 (8-bit)
- Scientific notation
- 5.9 × 10¹
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- νθʹ
- Mayan (base 20)
- 𝋢·𝋳
- Chinese
- 五十九
- Chinese (financial)
- 伍拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 59 = 9
- e — Euler's number (e)
- Digit 59 = 9
- φ — Golden ratio (φ)
- Digit 59 = 4
- √2 — Pythagoras's (√2)
- Digit 59 = 6
- ln 2 — Natural log of 2
- Digit 59 = 6
- γ — Euler-Mascheroni (γ)
- Digit 59 = 7
Also seen as
As an ASCII codepoint, 59 is ;. Printable ASCII character ;.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.59.
- Address
- 0.0.0.59
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.0.59
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Matches numbered highway designation:
- I-59 — Slidell, LA to Wildwood, GA.
Heard as a frequency, 59 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯1 (58.3 Hz, +22¢)
- Scientific pitch (C4 = 256 Hz): B1 (60.4 Hz, -41¢)
- Baroque pitch (A4 = 415 Hz): B1 (58.2 Hz, +23¢)
As a MIDI note number, 59 is B3 (246.9 Hz at concert pitch).
On the periodic table, atomic number 59 is Praseodymium (Pr) — period 6.
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.