Number

1,341

1,341 is a composite number, odd, a calendar year.

1,341 (one thousand three hundred forty-one) is an odd 4-digit number. It is a composite number with 6 divisors, and factors as 3² × 149. Written other ways, in Roman numerals it is MCCCXLI and in binary, 10100111101.

Arithmetic Number Cube-Free Deficient Number Harshad / Niven Moran Number Odious Number Pernicious Number Recamán's Sequence Year

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

1,329 1,330 1,331 1,332 1,333 1,334 1,335 1,336 1,337 1,338 1,339 1,340 1,341 1,342 1,343 1,344 1,345 1,346 1,347 1,348 1,349 1,350 1,351 1,352 1,353

less more

Historical context — 1341 AD

Calendar year

Year 1341 (MCCCXLI) was a common year starting on Monday of the Julian calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 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: Sunday
January 1, 1341
Ended on: Sunday
December 31, 1341
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 1340s
1340–1349
Century: 14th century
1301–1400
Millennium: 2nd millennium
1001–2000
Years ago: 685
685 years before 2026.

In other calendars

Hebrew: 5101 / 5102 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 741 / 742 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Metal zodiac:Snake
Sexagenary cycle position 18 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1884 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 719 / 720 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1333 / 1334 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1263 / 1262 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 9
Digit product: 12
Digital root: 9
Palindrome: No
Bit width: 11 bits
Reversed: 1,431
Recamán's sequence: a(16,453) = 1,341
Square (n²): 1,798,281
Cube (n³): 2,411,494,821
Divisor count: 6
σ(n) — sum of divisors: 1,950
φ(n) — Euler's totient: 888
Sum of prime factors: 155

Primality

Prime factorization: 3 ² × 149

Nearest primes: 1,327 (−14) · 1,361 (+20)

Divisors & multiples

All divisors (6)

1 · 3 · 9 · 149 · 447 · 1341

Aliquot sum (sum of proper divisors): 609

Factor pairs (a × b = 1,341)

1 × 1341

3 × 447

9 × 149

First multiples

1,341 · 2,682 (double) · 4,023 · 5,364 · 6,705 · 8,046 · 9,387 · 10,728 · 12,069 · 13,410

Sums & aliquot sequence

As a sum of two squares: 21² + 30²

As consecutive integers: 670 + 671 446 + 447 + 448 221 + 222 + 223 + 224 + 225 + 226 145 + 146 + … + 153

Aliquot sequence: 1,341 → 609 → 351 → 209 → 31 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,341 = [36; (1, 1, 1, 1, 1, 2, 3, 3, 1, 1, 3, 1, 2, 1, 7, 2, 2, 17, 1, 9, 1, 1, 14, 8, …)]

Period length 48 — the block in parentheses repeats forever.

Representations

In words: one thousand three hundred forty-one
Ordinal: 1341st
Roman numeral: MCCCXLI
Binary: 10100111101
Octal: 2475
Hexadecimal: 0x53D
Base64: BT0=
One's complement: 64,194 (16-bit)
Scientific notation: 1.341 × 10³
As a duration: 1,341 s = 22 minutes, 21 seconds

In other bases

ternary (3) 1211200

quaternary (4) 110331

quinary (5) 20331

senary (6) 10113

septenary (7) 3624

nonary (9) 1750

undecimal (11) 100a

duodecimal (12) 939

tridecimal (13) 7c2

tetradecimal (14) 6bb

pentadecimal (15) 5e6

Palindromic in base 12

As an angle

1,341° = 3 × 360° + 261°

261° ≈ 4.555 rad

Compass bearing: W (west)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵ατμαʹ
Mayan (base 20): 𝋣·𝋧·𝋡
Chinese: 一千三百四十一
Chinese (financial): 壹仟參佰肆拾壹

In other modern scripts

Eastern Arabic ١٣٤١ Devanagari १३४१ Bengali ১৩৪১ Tamil ௧௩௪௧ Thai ๑๓๔๑ Tibetan ༡༣༤༡ Khmer ១៣៤១ Lao ໑໓໔໑ Burmese ၁၃၄၁

Digit at this position in famous constants

π — Pi (π): Digit 1,341 = 3
e — Euler's number (e): Digit 1,341 = 8
φ — Golden ratio (φ): Digit 1,341 = 5
√2 — Pythagoras's (√2): Digit 1,341 = 5
ln 2 — Natural log of 2: Digit 1,341 = 3
γ — Euler-Mascheroni (γ): Digit 1,341 = 9

Also seen as

Unicode codepoint

Armenian Capital Letter Xeh

U+053D

Uppercase letter (Lu)

UTF-8 encoding: D4 BD (2 bytes).

Lookup U+053D on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00053D

RGB(0, 5, 61)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.61.

Address: 0.0.5.61
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.61

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

Musical pitch

Heard as a frequency, 1,341 Hz is closest to:

Concert pitch (A4 = 440 Hz): E6 (1318.5 Hz, +29¢)
Scientific pitch (C4 = 256 Hz): F6 (1366.9 Hz, -33¢)
Baroque pitch (A4 = 415 Hz): F6 (1317.5 Hz, +31¢)

Position in π

The digit sequence 1341 first appears in π at position 5,280 of the decimal expansion (the 5,280ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Look up 1341 on Pi Search ↗