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12,091

12,091 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 Semiprime Smith Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
14 bits
Reversed
19,021
Recamán's sequence
a(22,602) = 12,091
Square (n²)
146,192,281
Cube (n³)
1,767,610,869,571
Divisor count
4
σ(n) — sum of divisors
12,312
φ(n) — Euler's totient
11,872
Sum of prime factors
220

Primality

Prime factorization: 107 × 113

Nearest primes: 12,073 (−18) · 12,097 (+6)

Divisors & multiples

All divisors (4)
1 · 107 · 113 · 12091
Aliquot sum (sum of proper divisors): 221
Factor pairs (a × b = 12,091)
1 × 12091
107 × 113
First multiples
12,091 · 24,182 (double) · 36,273 · 48,364 · 60,455 · 72,546 · 84,637 · 96,728 · 108,819 · 120,910

Sums & aliquot sequence

As consecutive integers: 6,045 + 6,046 60 + 61 + … + 166 51 + 52 + … + 163
Aliquot sequence: 12,091 221 31 1 0 — terminates at zero

Representations

In words
twelve thousand ninety-one
Ordinal
12091st
Binary
10111100111011
Octal
27473
Hexadecimal
0x2F3B
Base64
Lzs=
One's complement
53,444 (16-bit)
In other bases
ternary (3) 121120211
quaternary (4) 2330323
quinary (5) 341331
senary (6) 131551
septenary (7) 50152
nonary (9) 17524
undecimal (11) 90a2
duodecimal (12) 6bb7
tridecimal (13) 5671
tetradecimal (14) 4599
pentadecimal (15) 38b1

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒁹 𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ιβϟαʹ
Mayan (base 20)
𝋡·𝋪·𝋤·𝋫
Chinese
一萬二千零九十一
Chinese (financial)
壹萬貳仟零玖拾壹
In other modern scripts
Eastern Arabic ١٢٠٩١ Devanagari १२०९१ Bengali ১২০৯১ Tamil ௧௨௦௯௧ Thai ๑๒๐๙๑ Tibetan ༡༢༠༩༡ Khmer ១២០៩១ Lao ໑໒໐໙໑ Burmese ၁၂၀၉၁

Digit at this position in famous constants

π — Pi (π)
Digit 12,091 = 1
e — Euler's number (e)
Digit 12,091 = 2
φ — Golden ratio (φ)
Digit 12,091 = 6
√2 — Pythagoras's (√2)
Digit 12,091 = 3
ln 2 — Natural log of 2
Digit 12,091 = 4
γ — Euler-Mascheroni (γ)
Digit 12,091 = 7

Also seen as

Unicode codepoint
Kangxi Radical Step
U+2F3B
Other symbol (So)

UTF-8 encoding: E2 BC BB (3 bytes).

Hex color
#002F3B
RGB(0, 47, 59)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.47.59.

Address
0.0.47.59
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.47.59

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

Position in π

The digit sequence 12091 first appears in π at position 4,728 of the decimal expansion (the 4,728ordinal-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.