Number

2,041

2,041 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Odious Number Recamán's Sequence Semiprime Squarefree Year

Historical context — 2041 AD

Current millennium spanning the years 2001 to 3000

The third millennium of the Anno Domini or Common Era is the current millennium spanning the years 2001 to 3000.

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: Tuesday
January 1, 2041
Ended on: Tuesday
December 31, 2041
Friday the 13ths: 2
2 Friday the 13ths this year.
Easter Sunday: April 21
Sunday, April 21, 2041
Decade: 2040s
2040–2049
Century: 21st century
2001–2100
Millennium: 3rd millennium
2001–3000
Years until: 15
15 years after 2026.

In other calendars

Hebrew: 5801 / 5802 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 1462 / 1464 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Metal zodiac:Rooster
Sexagenary cycle position 58 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 2584 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 1419 / 1420 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 2033 / 2034 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1963 / 1962 Saka
Indian national calendar; year starts in March.
Japanese: Reiwa 23
Reign-era counting from the start of each emperor's reign.

Properties

Parity: Odd
Digit count: 4
Digit sum: 7
Digit product: 0
Digital root: 7
Palindrome: No
Bit width: 11 bits
Reversed: 1,402
Recamán's sequence: a(3,669) = 2,041
Square (n²): 4,165,681
Cube (n³): 8,502,154,921
Divisor count: 4
σ(n) — sum of divisors: 2,212
φ(n) — Euler's totient: 1,872
Sum of prime factors: 170

Primality

Prime factorization: 13 × 157

Nearest primes: 2,039 (−2) · 2,053 (+12)

Divisors & multiples

All divisors (4)

1 · 13 · 157 · 2041

Aliquot sum (sum of proper divisors): 171

Factor pairs (a × b = 2,041)

1 × 2041

13 × 157

First multiples

2,041 · 4,082 (double) · 6,123 · 8,164 · 10,205 · 12,246 · 14,287 · 16,328 · 18,369 · 20,410

Sums & aliquot sequence

As a sum of two squares: 4² + 45² = 21² + 40²

As consecutive integers: 1,020 + 1,021 151 + 152 + … + 163 66 + 67 + … + 91

Aliquot sequence: 2,041 → 171 → 89 → 1 → 0 — terminates at zero

Representations

In words: two thousand forty-one
Ordinal: 2041st
Roman numeral: MMXLI
Binary: 11111111001
Octal: 3771
Hexadecimal: 0x7F9
Base64: B/k=
One's complement: 63,494 (16-bit)

In other bases

ternary (3) 2210121

quaternary (4) 133321

quinary (5) 31131

senary (6) 13241

septenary (7) 5644

nonary (9) 2717

undecimal (11) 1596

duodecimal (12) 1221

tridecimal (13) c10

tetradecimal (14) a5b

pentadecimal (15) 911

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓆼𓆼𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵βμαʹ
Mayan (base 20): 𝋥·𝋢·𝋡
Chinese: 二千零四十一
Chinese (financial): 貳仟零肆拾壹

In other modern scripts

Eastern Arabic ٢٠٤١ Devanagari २०४१ Bengali ২০৪১ Tamil ௨௦௪௧ Thai ๒๐๔๑ Tibetan ༢༠༤༡ Khmer ២០៤១ Lao ໒໐໔໑ Burmese ၂၀၄၁

Digit at this position in famous constants

π — Pi (π): Digit 2,041 = 0
e — Euler's number (e): Digit 2,041 = 2
φ — Golden ratio (φ): Digit 2,041 = 5
√2 — Pythagoras's (√2): Digit 2,041 = 1
ln 2 — Natural log of 2: Digit 2,041 = 1
γ — Euler-Mascheroni (γ): Digit 2,041 = 1

Also seen as

Unicode codepoint

Nko Exclamation Mark

U+07F9

Other punctuation (Po)

UTF-8 encoding: DF B9 (2 bytes).

Lookup U+07F9 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0007F9

RGB(0, 7, 249)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.249.

Address: 0.0.7.249
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.7.249

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

Position in π

The digit sequence 2041 first appears in π at position 4,788 of the decimal expansion (the 4,788ordinal-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 2041 on Pi Search ↗