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3,801

3,801 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.).
Arithmetic Number Deficient Number Evil Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
12 bits
Reversed
1,083
Recamán's sequence
a(6,326) = 3,801
Square (n²)
14,447,601
Cube (n³)
54,915,331,401
Divisor count
8
σ(n) — sum of divisors
5,824
φ(n) — Euler's totient
2,160
Sum of prime factors
191

Primality

Prime factorization: 3 × 7 × 181

Nearest primes: 3,797 (−4) · 3,803 (+2)

Divisors & multiples

All divisors (8)
1 · 3 · 7 · 21 · 181 · 543 · 1267 · 3801
Aliquot sum (sum of proper divisors): 2,023
Factor pairs (a × b = 3,801)
1 × 3801
3 × 1267
7 × 543
21 × 181
First multiples
3,801 · 7,602 (double) · 11,403 · 15,204 · 19,005 · 22,806 · 26,607 · 30,408 · 34,209 · 38,010

Sums & aliquot sequence

As consecutive integers: 1,900 + 1,901 1,266 + 1,267 + 1,268 631 + 632 + 633 + 634 + 635 + 636 540 + 541 + … + 546
Aliquot sequence: 3,801 2,023 433 1 0 — terminates at zero

Representations

In words
three thousand eight hundred one
Ordinal
3801st
Roman numeral
MMMDCCCI
Binary
111011011001
Octal
7331
Hexadecimal
0xED9
Base64
Dtk=
One's complement
61,734 (16-bit)
In other bases
ternary (3) 12012210
quaternary (4) 323121
quinary (5) 110201
senary (6) 25333
septenary (7) 14040
nonary (9) 5183
undecimal (11) 2946
duodecimal (12) 2249
tridecimal (13) 1965
tetradecimal (14) 1557
pentadecimal (15) 11d6

Historical numeral systems

Babylonian (base 60)
𒁹 𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵γωαʹ
Mayan (base 20)
𝋩·𝋪·𝋡
Chinese
三千八百零一
Chinese (financial)
參仟捌佰零壹
In other modern scripts
Eastern Arabic ٣٨٠١ Devanagari ३८०१ Bengali ৩৮০১ Tamil ௩௮௦௧ Thai ๓๘๐๑ Tibetan ༣༨༠༡ Khmer ៣៨០១ Lao ໓໘໐໑ Burmese ၃၈၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 3,801 = 6
e — Euler's number (e)
Digit 3,801 = 8
φ — Golden ratio (φ)
Digit 3,801 = 7
√2 — Pythagoras's (√2)
Digit 3,801 = 3
ln 2 — Natural log of 2
Digit 3,801 = 8
γ — Euler-Mascheroni (γ)
Digit 3,801 = 5

Also seen as

Unicode codepoint
Lao Digit Nine
U+0ED9
Decimal digit (Nd)

UTF-8 encoding: E0 BB 99 (3 bytes).

Hex color
#000ED9
RGB(0, 14, 217)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.14.217.

Address
0.0.14.217
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.14.217

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

Position in π

The digit sequence 3801 first appears in π at position 3,836 of the decimal expansion (the 3,836ordinal-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.