Number 21087

Interestingness: 6

Visual representations

Binary image (n×n bits)
1171
Prime factorization

Representations of 21087

β
Μ
͵απζʹ
२१०८७
٢١٠٨٧
XXMLXXXVII
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▃▃▃▃▃
▃▃▃▃▃
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▃▃▃▃▃
▃▃▃▃▃
●●
▃▃▃▃▃
二万一千零八十七
כא׳ פז
𓂭𓂭
𓆼
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
𓏹𓏹𓏹𓏹𓏹𓏹𓏹
..---.------------..--...

21087 in different numeral systems

Binary
101001001011111
Base-3
1001221000
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
525f
Vigesimal
2ce7
Base-24
1cef
Base-36
g9r
Negabinary
101011110100011

Factorization

Prime factors: 3, 11, 71
Divisors: 1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1917, 2343, 7029, 21087
Sum of divisors other than 21087: 13473
Product of prime factors: 21087 = 3 × 3 × 3 × 11 × 71

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 21087
Prime number after 21087