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Number

235

235 is a composite number, odd, a calendar year.

Arithmetic Number Ascending Digits Deficient Number Evil Number Heptagonal Recamán's Sequence Semiprime Squarefree Year

Notable events — 235 AD

Undated The Crisis of the Third Century begins with the assassination of Emperor Alexander Severus.

Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0

Historical context — 235 BC

Calendar year

Year 235 BC was a year of the pre-Julian Roman calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

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: 53
Long year: contains 53 ISO weeks.
Started on: Thursday
January 1, 235
Ended on: Thursday
December 31, 235
Friday the 13ths: 3
3 Friday the 13ths this year.
Decade: 230s
230–239
Century: 3rd century
201–300
Millennium: 1st millennium
1–1000
Years ago: 1,791
1791 years before 2026.

In other calendars

Hebrew: 3995 / 3996 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Wood zodiac:Rabbit
Sexagenary cycle position 52 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 778 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 227 / 228 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 157 / 156 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 10
Digit product: 30
Digital root: 1
Palindrome: No
Bit width: 8 bits
Reversed: 532
Recamán's sequence: a(273) = 235
Square (n²): 55,225
Cube (n³): 12,977,875
Divisor count: 4
σ(n) — sum of divisors: 288
φ(n) — Euler's totient: 184
Sum of prime factors: 52

Primality

Prime factorization: 5 × 47

Nearest primes: 233 (−2) · 239 (+4)

Divisors & multiples

All divisors (4)

1 · 5 · 47 · 235

Aliquot sum (sum of proper divisors): 53

Factor pairs (a × b = 235)

1 × 235

5 × 47

First multiples

235 · 470 (double) · 705 · 940 · 1,175 · 1,410 · 1,645 · 1,880 · 2,115 · 2,350

Sums & aliquot sequence

As consecutive integers: 117 + 118 45 + 46 + 47 + 48 + 49 19 + 20 + … + 28

Aliquot sequence: 235 → 53 → 1 → 0 — terminates at zero

Representations

In words: two hundred thirty-five
Ordinal: 235th
Roman numeral: CCXXXV
Binary: 11101011
Octal: 353
Hexadecimal: 0xEB
Base64: 6w==
One's complement: 20 (8-bit)

In other bases

ternary (3) 22201

quaternary (4) 3223

quinary (5) 1420

senary (6) 1031

septenary (7) 454

nonary (9) 281

undecimal (11) 1a4

duodecimal (12) 177

tridecimal (13) 151

tetradecimal (14) 12b

pentadecimal (15) 10a

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): σλεʹ
Mayan (base 20): 𝋫·𝋯
Chinese: 二百三十五
Chinese (financial): 貳佰參拾伍

In other modern scripts

Eastern Arabic ٢٣٥ Devanagari २३५ Bengali ২৩৫ Tamil ௨௩௫ Thai ๒๓๕ Tibetan ༢༣༥ Khmer ២៣៥ Lao ໒໓໕ Burmese ၂၃၅

Digit at this position in famous constants

π — Pi (π): Digit 235 = 6
e — Euler's number (e): Digit 235 = 7
φ — Golden ratio (φ): Digit 235 = 3
√2 — Pythagoras's (√2): Digit 235 = 8
ln 2 — Natural log of 2: Digit 235 = 2
γ — Euler-Mascheroni (γ): Digit 235 = 1

Also seen as

Unicode codepoint

ë

Latin Small Letter E With Diaeresis

U+00EB

Lowercase letter (Ll)

UTF-8 encoding: C3 AB (2 bytes).

Lookup U+00EB on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0000EB

RGB(0, 0, 235)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.235.

Address: 0.0.0.235
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.0.235

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