Live analysis

4,101

4,101 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

4,101 (four thousand one hundred one) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 3 × 1,367. Written other ways, in hexadecimal, 0x1005.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Self Number Semiprime Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

4,089 4,090 4,091 4,092 4,093 4,094 4,095 4,096 4,097 4,098 4,099 4,100 4,101 4,102 4,103 4,104 4,105 4,106 4,107 4,108 4,109 4,110 4,111 4,112 4,113

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 6
Digit product: 0
Digital root: 6
Palindrome: No
Bit width: 13 bits
Reversed: 1,014
Recamán's sequence: a(28,874) = 4,101
Square (n²): 16,818,201
Cube (n³): 68,971,442,301
Divisor count: 4
σ(n) — sum of divisors: 5,472
φ(n) — Euler's totient: 2,732
Sum of prime factors: 1,370

Primality

Prime factorization: 3 × 1367

Nearest primes: 4,099 (−2) · 4,111 (+10)

Divisors & multiples

All divisors (4)

1 · 3 · 1367 · 4101

Aliquot sum (sum of proper divisors): 1,371

Factor pairs (a × b = 4,101)

1 × 4101

3 × 1367

First multiples

4,101 · 8,202 (double) · 12,303 · 16,404 · 20,505 · 24,606 · 28,707 · 32,808 · 36,909 · 41,010

Sums & aliquot sequence

As consecutive integers: 2,050 + 2,051 1,366 + 1,367 + 1,368 681 + 682 + 683 + 684 + 685 + 686

Aliquot sequence: 4,101 → 1,371 → 461 → 1 → 0 — terminates at zero

Continued fraction of √n

√4,101 = [64; (25, 1, 1, 1, 1, 4, 1, 1, 11, 10, 1, 1, 2, 2, 1, 1, 2, 1, 1, 6, 6, 3, 1, 31, …)]

Representations

In words: four thousand one hundred one
Ordinal: 4101st
Binary: 1000000000101
Octal: 10005
Hexadecimal: 0x1005
Base64: EAU=
One's complement: 61,434 (16-bit)
Scientific notation: 4.101 × 10³
As a duration: 4,101 s = 1 hour, 8 minutes, 21 seconds

In other bases

ternary (3) 12121220

quaternary (4) 1000011

quinary (5) 112401

senary (6) 30553

septenary (7) 14646

nonary (9) 5556

undecimal (11) 3099

duodecimal (12) 2459

tridecimal (13) 1b36

tetradecimal (14) 16cd

pentadecimal (15) 1336

As an angle

4,101° = 11 × 360° + 141°

141° ≈ 2.461 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓍢𓏺
Greek (Milesian): ͵δραʹ
Mayan (base 20): 𝋪·𝋥·𝋡
Chinese: 四千一百零一
Chinese (financial): 肆仟壹佰零壹

In other modern scripts

Eastern Arabic ٤١٠١ Devanagari ४१०१ Bengali ৪১০১ Tamil ௪௧௦௧ Thai ๔๑๐๑ Tibetan ༤༡༠༡ Khmer ៤១០១ Lao ໔໑໐໑ Burmese ၄၁၀၁

Digit at this position in famous constants

π — Pi (π): Digit 4,101 = 5
e — Euler's number (e): Digit 4,101 = 9
φ — Golden ratio (φ): Digit 4,101 = 6
√2 — Pythagoras's (√2): Digit 4,101 = 1
ln 2 — Natural log of 2: Digit 4,101 = 8
γ — Euler-Mascheroni (γ): Digit 4,101 = 9

Also seen as

Unicode codepoint

စ

Myanmar Letter Ca

U+1005

Other letter (Lo)

UTF-8 encoding: E1 80 85 (3 bytes).

Lookup U+1005 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#001005

RGB(0, 16, 5)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.5.

Address: 0.0.16.5
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.16.5

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

Musical pitch

Heard as a frequency, 4,101 Hz is closest to:

Concert pitch (A4 = 440 Hz): C8 (4186 Hz, -36¢)
Scientific pitch (C4 = 256 Hz): C8 (4096 Hz, +2¢)
Baroque pitch (A4 = 415 Hz): C♯8 (4182.9 Hz, -34¢)

Position in π

The digit sequence 4101 first appears in π at position 7,767 of the decimal expansion (the 7,767ordinal-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 4101 on Pi Search ↗