Number

293

293 is a prime, odd, a calendar year.

Arithmetic Number Chen Prime Deficient Number Evil Number Happy Number Prime Pythagorean Prime Recamán's Sequence Sophie Germain Prime Squarefree Year

Historical context — 293 AD

Calendar year

Year 293 (CCXCIII) was a common year starting on Sunday of the Julian calendar.

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Historical context — 293 BC

Calendar year

Year 293 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: Sunday
January 1, 293
Ended on: Sunday
December 31, 293
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 290s
290–299
Century: 3rd century
201–300
Millennium: 1st millennium
1–1000
Years ago: 1,733
1733 years before 2026.

In other calendars

Hebrew: 4053 / 4054 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Water zodiac:Ox
Sexagenary cycle position 50 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 836 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 285 / 286 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 215 / 214 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 14
Digit product: 54
Digital root: 5
Palindrome: No
Bit width: 9 bits
Reversed: 392
Recamán's sequence: a(662) = 293
Square (n²): 85,849
Cube (n³): 25,153,757
Divisor count: 2
σ(n) — sum of divisors: 294
φ(n) — Euler's totient: 292

Primality

293 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 293

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 293)

1 × 293

First multiples

293 · 586 (double) · 879 · 1,172 · 1,465 · 1,758 · 2,051 · 2,344 · 2,637 · 2,930

Sums & aliquot sequence

As a sum of two squares: 2² + 17²

As consecutive integers: 146 + 147

Representations

In words: two hundred ninety-three
Ordinal: 293rd
Roman numeral: CCXCIII
Binary: 100100101
Octal: 445
Hexadecimal: 0x125
Base64: ASU=
One's complement: 65,242 (16-bit)

In other bases

ternary (3) 101212

quaternary (4) 10211

quinary (5) 2133

senary (6) 1205

septenary (7) 566

nonary (9) 355

undecimal (11) 247

duodecimal (12) 205

tridecimal (13) 197

tetradecimal (14) 16d

pentadecimal (15) 148

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): σϟγʹ
Mayan (base 20): 𝋮·𝋭
Chinese: 二百九十三
Chinese (financial): 貳佰玖拾參

In other modern scripts

Eastern Arabic ٢٩٣ Devanagari २९३ Bengali ২৯৩ Tamil ௨௯௩ Thai ๒๙๓ Tibetan ༢༩༣ Khmer ២៩៣ Lao ໒໙໓ Burmese ၂၉၃

Digit at this position in famous constants

π — Pi (π): Digit 293 = 2
e — Euler's number (e): Digit 293 = 7
φ — Golden ratio (φ): Digit 293 = 1
√2 — Pythagoras's (√2): Digit 293 = 2
ln 2 — Natural log of 2: Digit 293 = 9
γ — Euler-Mascheroni (γ): Digit 293 = 3

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 283 (gap of 10)
Next prime: 307 (gap of 14)

Unicode codepoint

Latin Small Letter H With Circumflex

U+0125

Lowercase letter (Ll)

UTF-8 encoding: C4 A5 (2 bytes).

Lookup U+0125 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000125

RGB(0, 1, 37)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.37.

Address: 0.0.1.37
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.1.37

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