Number 21640

Interestingness: 6

Visual representations

Binary image (n×n bits)
2³5541
Prime factorization

Representations of 21640

Greek numeral
β
Μ
͵αχμ
Sanskrit numeral
२१६४०
Arabic numeral
٢١٦٤٠
Roman numeral
XXMDCXL
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●●
ↂ
Chinese numeral
二万一千六百四十
Hebrew numeral
כא׳ תרמ
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆
Morse code
..---.-----........------

21640 in different numeral systems

Binary
101010010001000
Base-3
1002200111
Base-4
11102020
Base-5
1143030
Base-6
244104
Base-7
120043
Base-8
52210
Duodecimal
10634
Hex
5488
Vigesimal
2e20
Base-24
1ddg
Base-36
gp4
Negabinary
101010110011000

Factorization

Prime factors: 2, 5, 541
Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640
Sum of divisors other than 21640: 27140
Product of prime factors: 21640 = 2 × 2 × 2 × 5 × 541

Number-theory characteristics (5)

Difference of 2 squares Odious 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 21640
Prime number after 21640