Number

343

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

Arithmetic Number Consecutive Digits Deficient Number Evil Number Palindrome Perfect Cube Powerful Number Recamán's Sequence Year

Historical context — 343 AD

Calendar year

Year 343 (CCCXLIII) was a common year starting on Saturday of the Julian calendar.

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

Historical context — 343 BC

Calendar year

Year 343 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: 52
Started on: Friday
January 1, 343
Ended on: Friday
December 31, 343
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 340s
340–349
Century: 4th century
301–400
Millennium: 1st millennium
1–1000
Years ago: 1,683
1683 years before 2026.

In other calendars

Hebrew: 4103 / 4104 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Water zodiac:Rabbit
Sexagenary cycle position 40 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 886 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 335 / 336 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 265 / 264 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 10
Digit product: 36
Digital root: 1
Palindrome: Yes
Bit width: 9 bits
Recamán's sequence: a(562) = 343
Square (n²): 117,649
Cube (n³): 40,353,607
Cube root (∛n): 7
Divisor count: 4
σ(n) — sum of divisors: 400
φ(n) — Euler's totient: 294
Sum of prime factors: 21

Primality

Prime factorization: 7 ³

Nearest primes: 337 (−6) · 347 (+4)

Divisors & multiples

All divisors (4)

1 · 7 · 49 · 343

Aliquot sum (sum of proper divisors): 57

Factor pairs (a × b = 343)

1 × 343

7 × 49

First multiples

343 · 686 (double) · 1,029 · 1,372 · 1,715 · 2,058 · 2,401 · 2,744 · 3,087 · 3,430

Sums & aliquot sequence

As consecutive integers: 171 + 172 46 + 47 + … + 52 18 + 19 + … + 31

Aliquot sequence: 343 → 57 → 23 → 1 → 0 — terminates at zero

Representations

In words: three hundred forty-three
Ordinal: 343rd
Roman numeral: CCCXLIII
Binary: 101010111
Octal: 527
Hexadecimal: 0x157
Base64: AVc=
One's complement: 65,192 (16-bit)

In other bases

ternary (3) 110201

quaternary (4) 11113

quinary (5) 2333

senary (6) 1331

septenary (7) 1000

nonary (9) 421

undecimal (11) 292

duodecimal (12) 247

tridecimal (13) 205

tetradecimal (14) 1a7

pentadecimal (15) 17d

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): τμγʹ
Mayan (base 20): 𝋱·𝋣
Chinese: 三百四十三
Chinese (financial): 參佰肆拾參

In other modern scripts

Eastern Arabic ٣٤٣ Devanagari ३४३ Bengali ৩৪৩ Tamil ௩௪௩ Thai ๓๔๓ Tibetan ༣༤༣ Khmer ៣៤៣ Lao ໓໔໓ Burmese ၃၄၃

Digit at this position in famous constants

π — Pi (π): Digit 343 = 1
e — Euler's number (e): Digit 343 = 6
φ — Golden ratio (φ): Digit 343 = 4
√2 — Pythagoras's (√2): Digit 343 = 4
ln 2 — Natural log of 2: Digit 343 = 1
γ — Euler-Mascheroni (γ): Digit 343 = 9

Also seen as

Unicode codepoint

Latin Small Letter R With Cedilla

U+0157

Lowercase letter (Ll)

UTF-8 encoding: C5 97 (2 bytes).

Lookup U+0157 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000157

RGB(0, 1, 87)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.87.

Address: 0.0.1.87
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.1.87

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

NANP area code 343

The number 343 is an active NANP area code (North American Numbering Plan).

Primary area: Ottawa
Region: Ontario
Country: Canada

Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.

Look up area code 343 ↗

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number

000000343

Federal Reserve

United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.

Look up on FedACH (official) ↗ Search Google for routing number 000000343 ↗