Number 20840

Interestingness: 6

Visual representations

Binary image (n×n bits)
5521
Prime factorization

Representations of 20840

β
Μ
ωμ
२०८४०
٢٠٨٤٠
XXDCCCXL
●●
●●
▃▃▃▃▃
▃▃▃▃▃
●●
二万零八百四十
כ׳ תתמ
𓂭𓂭
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆
..-----------......------

20840 in different numeral systems

Binary
101000101101000
Base-3
1001120212
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
Vigesimal
2c20
Base-24
1c48
Base-36
g2w
Negabinary
101011010111000

Factorization

Prime factors: 2, 5, 521
Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840
Sum of divisors other than 20840: 26140
Product of prime factors: 20840 = 2 × 2 × 2 × 5 × 521

Number-theory characteristics (5)

Difference of 2 squares Evil number Even Composite Abundant

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Duck number

Related primes

Prime number before 20840
Prime number after 20840