Number 21091

Interestingness: 6

Visual representations

Binary image (n×n bits)
723131
Prime factorization

Representations of 21091

Greek numeral
β
Μ
͵αϟαʹ
Sanskrit numeral
२१०९१
Arabic numeral
٢١٠٩١
Roman numeral
XXMXCI
Maya numeral
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Chinese numeral
二万一千零九十一
Hebrew numeral
כא׳ צא
Egyptian numeral
𓂭𓂭
𓆼
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
𓏹
Morse code
..---.-------------..----

21091 in different numeral systems

Binary
101001001100011
Base-3
1001221011
Base-4
11021203
Base-5
1133331
Base-6
241351
Base-7
115330
Base-8
51143
Duodecimal
10257
Hex
5263
Vigesimal
2ceb
Base-24
1cej
Base-36
g9v
Negabinary
101011110100111

Factorization

Prime factors: 7, 23, 131
Divisors: 1, 7, 23, 131, 161, 917, 3013, 21091
Sum of divisors other than 21091: 4253
Product of prime factors: 21091 = 7 × 23 × 131

Number-theory characteristics (5)

Difference of 2 squares Odious number Odd Composite Deficient

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Duck number

Related primes

Prime number before 21091
Prime number after 21091