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Number

34

34 is a composite number, even, a calendar year.

Deficient Number Evil Number Fibonacci Heptagonal Pernicious Number Recamán's Sequence Semiprime Squarefree Year

Historical context — 34 AD

Calendar year

AD 34 (XXXIV) was a common year starting on Friday of the Julian calendar.

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Historical context — 34 BC

Calendar year

Year 34 BC was either a common year starting on Friday, Saturday or Sunday or a leap year starting on Friday or Saturday of the Julian calendar and a common year starting on Friday of the Proleptic Julian 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: Sunday
January 1, 34
Ended on: Sunday
December 31, 34
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 30s
30–39
Century: 1st century
1–100
Millennium: 1st millennium
1–1000
Years ago: 1,992
1992 years before 2026.

In other calendars

Hebrew: 3794 / 3795 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Wood zodiac:Horse
Sexagenary cycle position 31 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 577 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 26 / 27 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): -44 / -45 Saka
Indian national calendar; year starts in March.

Properties

Parity: Even
Digit count: 2
Digit sum: 7
Digit product: 12
Digital root: 7
Palindrome: No
Bit width: 6 bits
Reversed: 43
Recamán's sequence: a(48) = 34
Square (n²): 1,156
Cube (n³): 39,304
Divisor count: 4
σ(n) — sum of divisors: 54
φ(n) — Euler's totient: 16
Sum of prime factors: 19

Primality

Prime factorization: 2 × 17

Nearest primes: 31 (−3) · 37 (+3)

Divisors & multiples

All divisors (4)

1 · 2 · 17 (half) · 34

Aliquot sum (sum of proper divisors): 20

Factor pairs (a × b = 34)

1 × 34

2 × 17

First multiples

34 · 68 (double) · 102 · 136 · 170 · 204 · 238 · 272 · 306 · 340

Sums & aliquot sequence

As a sum of two squares: 3² + 5²

As consecutive integers: 7 + 8 + 9 + 10

Aliquot sequence: 34 → 20 → 22 → 14 → 10 → 8 → 7 → 1 → 0 — terminates at zero

Representations

In words: thirty-four
Ordinal: 34th
Roman numeral: XXXIV
Binary: 100010
Octal: 42
Hexadecimal: 0x22
Base64: Ig==
One's complement: 221 (8-bit)
Scientific notation: 3.4 × 10¹

In other bases

ternary (3) 1021

quaternary (4) 202

quinary (5) 114

senary (6) 54

septenary (7) 46

nonary (9) 37

undecimal (11) 31

duodecimal (12) 2a

tridecimal (13) 28

tetradecimal (14) 26

pentadecimal (15) 24

Palindromic in base 4

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓎆𓎆𓎆𓏺𓏺𓏺𓏺
Greek (Milesian): λδʹ
Mayan (base 20): 𝋡·𝋮
Chinese: 三十四
Chinese (financial): 參拾肆

In other modern scripts

Eastern Arabic ٣٤ Devanagari ३४ Bengali ৩৪ Tamil ௩௪ Thai ๓๔ Tibetan ༣༤ Khmer ៣៤ Lao ໓໔ Burmese ၃၄

Digit at this position in famous constants

π — Pi (π): Digit 34 = 2
e — Euler's number (e): Digit 34 = 2
φ — Golden ratio (φ): Digit 34 = 8
√2 — Pythagoras's (√2): Digit 34 = 8
ln 2 — Natural log of 2: Digit 34 = 6
γ — Euler-Mascheroni (γ): Digit 34 = 2

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 34, here are decompositions:

3 + 31 = 34
5 + 29 = 34
11 + 23 = 34
17 + 17 = 34

ASCII character

As an ASCII codepoint, 34 is ". Printable ASCII character ".

Hex color

#000022

RGB(0, 0, 34)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.34.

Address: 0.0.0.34
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.0.34

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

Calculator-display word

Type 34 on a seven-segment calculator, flip it 180°, and the display reads:

hE

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