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11,021

11,021 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 Happy Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
5
Digit product
0
Digital root
5
Palindrome
No
Bit width
14 bits
Reversed
12,011
Recamán's sequence
a(174,217) = 11,021
Square (n²)
121,462,441
Cube (n³)
1,338,637,562,261
Divisor count
4
σ(n) — sum of divisors
11,232
φ(n) — Euler's totient
10,812
Sum of prime factors
210

Primality

Prime factorization: 103 × 107

Nearest primes: 11,003 (−18) · 11,027 (+6)

Divisors & multiples

All divisors (4)
1 · 103 · 107 · 11021
Aliquot sum (sum of proper divisors): 211
Factor pairs (a × b = 11,021)
1 × 11021
103 × 107
First multiples
11,021 · 22,042 (double) · 33,063 · 44,084 · 55,105 · 66,126 · 77,147 · 88,168 · 99,189 · 110,210

Sums & aliquot sequence

As consecutive integers: 5,510 + 5,511 56 + 57 + … + 158 50 + 51 + … + 156
Aliquot sequence: 11,021 211 1 0 — terminates at zero

Representations

In words
eleven thousand twenty-one
Ordinal
11021st
Binary
10101100001101
Octal
25415
Hexadecimal
0x2B0D
Base64
Kw0=
One's complement
54,514 (16-bit)
In other bases
ternary (3) 120010012
quaternary (4) 2230031
quinary (5) 323041
senary (6) 123005
septenary (7) 44063
nonary (9) 16105
undecimal (11) 830a
duodecimal (12) 6465
tridecimal (13) 502a
tetradecimal (14) 4033
pentadecimal (15) 33eb

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓆼𓎆𓎆𓏺
Greek (Milesian)
͵ιακαʹ
Mayan (base 20)
𝋡·𝋧·𝋫·𝋡
Chinese
一萬一千零二十一
Chinese (financial)
壹萬壹仟零貳拾壹
In other modern scripts
Eastern Arabic ١١٠٢١ Devanagari ११०२१ Bengali ১১০২১ Tamil ௧௧௦௨௧ Thai ๑๑๐๒๑ Tibetan ༡༡༠༢༡ Khmer ១១០២១ Lao ໑໑໐໒໑ Burmese ၁၁၀၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 11,021 = 6
e — Euler's number (e)
Digit 11,021 = 5
φ — Golden ratio (φ)
Digit 11,021 = 5
√2 — Pythagoras's (√2)
Digit 11,021 = 4
ln 2 — Natural log of 2
Digit 11,021 = 0
γ — Euler-Mascheroni (γ)
Digit 11,021 = 4

Also seen as

Unicode codepoint
Up Down Black Arrow
U+2B0D
Other symbol (So)

UTF-8 encoding: E2 AC 8D (3 bytes).

Hex color
#002B0D
RGB(0, 43, 13)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.43.13.

Address
0.0.43.13
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.43.13

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

Position in π

The digit sequence 11021 first appears in π at position 147,073 of the decimal expansion (the 147,073ordinal-suffix:rd 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.